Samsung Printer ML 2015 XEV User Guide
LASER PRINTER  
ML-2010 Series  
ML-2015/XEV  
:
Basic Model ML-2010  
Manual  
SERVICE  
LASER PRINTER  
The keynote of Product  
- Speed : 22ppm (Ltr) / 20ppm (A4),  
600dpi 1200dpi  
- Paper Path : MPF Type Cassette  
- Emulation : SPL (ML-2010 / ML-2015)  
- Processor : 150MHz Jupiter4e CPU  
- Memory : 8MB  
- Toner Cartridge : Initial (1K), Sales (3K)  
- MP Cassette : 150 pages / Face Down  
(50 pages)  
- Manual Duplex : Manual Feed Guide  
- Fuser Design : Lamp Type  
- I/O : USB1.1  
ML-2010  
- Machine Life : 50K(pages)  
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Contents  
1. Precautions  
1.1 Safety Warning  
1.2 Safety Caution  
1.3 ESD Precautions  
1-1  
1-2  
1-4  
2. Product Specification  
2.1 Product Overview  
2.2 Specifications  
2-1  
2-1  
2-5  
2.3 Model Comparison Table  
3. System Overview  
3.1 System Outline  
3-1  
3-7  
3.2 H/W Structure and Descriptions  
3.3 S/W Structure and Descriptions  
3.4 Initial Product Installation  
3-19  
3-24  
4. Alignment and Adjustments  
4.1 Sample Pattern  
4-1  
4-2  
4-4  
4-4  
4-5  
4-6  
4-11  
4.2 Control Panel  
4.3 Consumables and Replacement Parts  
4.4 LED Status Error Messages  
4.5 Periodic Defective Image  
4.6 How to use DCU  
4.7 Paper Path  
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Continued  
5. Disassembly and Reassembly  
5.1 General Precautions on Disassembly  
5.2 Disassembly and Reassembly  
5-1  
5-2  
6. Troubleshooting  
6.1 Checking Symptoms  
6.2 Bad discharge  
6-1  
6-4  
6.3 Malfunction  
6-8  
6.4 Bad software environment  
6.5 Bad Image  
6-13  
6-17  
7. Exploded Views & Parts List  
7.1 Exploded Views and Parts List  
8. Block diagram  
7-1  
8.1 System Block Diagram  
8.2 System Timing Chart  
8-1  
8-2  
9. Connection Diagram  
9.1 Connection Diagram  
9-1  
10. Schematic Diagram  
10.1 Main Board  
10-1  
10-5  
10-6  
10-7  
10.2 Connector Circuit Diagram  
10.3 SMPS Circuit Diagram  
10.4 HVPS Circuit Diagram  
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Continued  
11. Reference Information  
11.1 Troubleshooting Tools  
11-1  
11-2  
11-4  
11-5  
11.2 Acronyms and Abbreviations  
11.3 Selecting printer locations  
11.4 Sample Tests Patterns  
12. Circuit Description  
12.1 Engine Controller  
12-1  
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Precautions  
1. Precautions  
1
The cautions below are items needed to keep in mind when maintaining and servicing.  
Please read carefully and keep the contents in mind to prevent accidents while servicing and to prevent the  
machine from getting damaged.  
1.1 Safety Warning  
(1) Request service by qualified service person.  
Service for this machine must be performed by a Qualified service person. It is dangerous if unqualified ser-  
vice personnel or users try to fix the machine.  
(2) Do not rebuild.  
Do not attach or change parts discretionary. Do not dissemble, fix of rebuilt it. If so, printer will abnormally  
work and electric shock or fire may occur.  
(3) Laser Safety Statement  
The Printer is certified in the U.S. to conform to the requirements of DHHS 21 CFR, chapter 1 Subchapter J  
for Class 1(1) laser products, and elsewhere, is certified as a Class I laser product conforming to the  
requirements of IEC 825.  
Class I laser products are not considered to be hazardous. The laser system and printer are designed so  
there is never any human access to laser radiation above a Class I level during normal operation, user  
maintenance, or prescribed service condition.  
Warning >> Never operate or service the printer with the protective cover removed from Laser/Scanner assembly. The reflected  
beam, although invisible, can damage your eyes. When using this product, these basic safety precautions should  
always be followed to reduce risk of fire, electric shock, and injury to persons.  
Service Manual  
1-1  
Samsung Electronics  
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Precautions  
1.2 Safety Caution  
1.2.1 Noxious Material Precaution  
The toner in a printer cartridge contains a chemical material, which may harm human body if it is swallowed.  
Please keep children out of reach of the toner cartridge.  
1.2.2 Electric Shock or fire Precaution  
It is possible to get electric shock or burn by fire if you don't fallow the instructions of the manual.  
(1) Use exact voltage. Please use an exact voltage and wall socket. If not, a fire or an electric leakage can be  
caused.  
(2) Use authorized power cord. Do use the power cord supplied with PRINTER. A fire can happen when over cur-  
rent flows in the power cord.  
(3) Do not insert many cords in an outlet. A fire can be occurred due to flow over current in an outlet.  
(4) Do not put water or extraneous matter in the PRINTER. Please do not put water, other liquid, pin, clip, etc. It  
can cause a fire, electric shock, or malfunction. If this occurs, turn off the power and remove the power plug  
from outlet immediately.  
(5) Do not touch the power plug with wet hand. When servicing, remove the power plug from outlet. Do not insert  
or take off it with wet hand. Electric shock can be occurr.  
(6) Caution when inserting or taking off the power plug. The power plug has to be inserted completely. If not, a fire  
can be caused due to poor contact. When taking off the power plug, grip the plug and take it off. If grip the line  
and pull over, it could be damaged. A fire or electric shock could happen.  
(7) Management of power cord. Do not bend, twist, or bind it and place other materials on it. Do not fix with sta-  
ples. If the power cord gets damaged, a fire or electric shock can happen. A damaged power cord must be  
replaced immediately. Do not repair the damaged part and reuse it. A repaired part with plastic tape can be  
cause a fire or electric shock. Do not spread chemicals on the power cord. Do not spread insecticide on the  
power cord. A fire or electric shock can be happen due to thinner(weak) cover of the power cord.  
(8) Check whether the power outlet and the power plug are damaged, pressed, chopped, or blazing fire or not.  
When such inferiorities are found, repair it immediately. Do not make it pressed or chopped when moving the  
machine.  
(9) Caution when there is thundering or lightning, and being flash of lightening. It causes a fire or electric shock.  
Take the power plug off there is thunder. Do not touch cable and device when thundering and flash of lighten-  
ing.  
(10) Avoid the place where is moisture or has dust. Do not install the printer where lots of dust or around humidifi-  
er. A fire can occurred. A plug part need to clean well with dried fabric to remove dust. If water drops are  
dripped on the place covered with dust, a fire can occurred.  
(11) Avoid direct sunlight. Do not install the printer near window where direct contacts to the sunlight. If the  
machine contacts sunlight long time, the machine cannot work properly because inner temperature of the  
machine is getting hotter. A fire can occur.  
(12) Turn off the power and take off the plug when smoke, strange smell, or sound from the machine. If you keep  
using it, a fire can be occurred.  
(13) Do not insert steel or metal piece inside/outside of the machine. Do not put steel or metal piece into a ventila-  
tor. An electric shock could happened.  
Service Manual  
1-2  
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Precautions  
1.2.3 Handling Precautions  
If you ignore this information, you could harm machine and could be damaged.  
(1) Do not install it on different levels, or slanted floor.  
Please confirm whether it is balanced or not after installation. If it is unbalanced, an accident can be hap-  
pened due to the machine falling over.  
(2) Be careful not to insert a finger or hair in the rotating unit.  
Be careful not to insert a finger of hair in the rotating unit (motor, fan, paper feeding part, etc) while the  
machine is operating. Once it happens, you could be harmed.  
(3) Do not place a pot containing water/chemical or small metals. If they got caught into the inner side of  
machine, a fire or electric shock can be occurred.  
(4) Do not install it where lots of moisture or dust exists or where raindrop reaches. A fire or electric shock  
can be caused.  
(5) Do not place a candlelight, burning cigarette, and etc. on the machine. Do not install it near to heater. A  
fire can be occurred.  
1.2.4 Assembly/Disassembly precaution  
When replacing parts, do it very carefully. Memorize the location of each cable before replace parts for recon-  
necting it afterwards. Do memorize. Please perform the steps below before replace or disassembly the parts.  
(1) Check the contents stored in the memory. All the information will be erased after replacing main board.  
The information needed to keep has to be written down.  
(2) Before servicing or replacing electric parts, take off a plug.  
(3) Take off printer cables and power cord connected to printer.  
(4) Do use formal parts and same standardized goods when replacing parts.Must check the product name,  
part cord, rated voltage, rated current, operating temperature, etc.  
(5) Do not give an over-force when release or tighten up the plastic parts.  
(6) Be careful not to drop the small parts such as screws in the printer.  
(7) Be careful not to change the location of small parts such as screws when assembling and disassembling.  
(8) Do remove dust or foreign matters completely to prevent fire of tracking, short, or etc.  
(9) After finished repair, check the assembling state whether it is same as before the repair or not.  
Service Manual  
1-3  
Samsung Electronics  
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Precautions  
1.3 ESD Precautions  
Certain semiconductor devices can be easily damaged by static electricity. Such components are commonly called  
“Electrostatically Sensitive (ES) Devices”, or ESDs. Examples of typical ESDs are: integrated circuits, some field  
effect transistors, and semiconductor “chip” components.  
The techniques outlined below should be followed to help reduce the incidence of component damage caused by  
static electricity.  
Caution >>Be sure no power is applied to the chassis or circuit, and observe all other safety precautions.  
1. Immediately before handling a semiconductor component or semiconductor-equipped assembly, drain off any  
electrostatic charge on your body by touching a known earth ground. Alternatively, employ a commercially avail-  
able wrist strap device, which should be removed for your personal safety reasons prior to applying power to the  
unit under test.  
2. After removing an electrical assembly equipped with ESDs, place the assembly on a conductive surface, such  
as aluminum or copper foil, or conductive foam, to prevent electrostatic charge buildup in the vicinity of the  
assembly.  
3. Use only a grounded tip soldering iron to solder or desolder ESDs.  
4. Use only an “anti-static” solder removal device. Some solder removal devices not classified as “anti-static” can  
generate electrical charges sufficient to damage ESDs.  
5. Do not use Freon-propelled chemicals. When sprayed, these can generate electrical charges sufficient to dam-  
age ESDs.  
6. Do not remove a replacement ESD from its protective packaging until immediately before installing it. Most  
replacement ESDs are packaged with all leads shorted together by conductive foam, aluminum foil, or a compa-  
rable conductive material.  
7. Immediately before removing the protective shorting material from the leads of a replacement ESD, touch the  
protective material to the chassis or circuit assembly into which the device will be installed.  
8. Maintain continuous electrical contact between the ESD and the assembly into which it will be installed, until  
completely plugged or soldered into the circuit.  
9. Minimize bodily motions when handling unpackaged replacement ESDs. Normal motions, such as the brushing  
together of clothing fabric and lifting one’s foot from a carpeted floor, can generate static electricity sufficient to  
damage an ESD.  
Service Manual  
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Product Specifications  
2. Product Specifications  
2.1 Product Overview  
2
Item  
Descriptions  
Remark  
Basic Model  
ML-2010  
Series Model  
Marketing  
ML-2015  
Personal use  
Specification  
20ppm(Ltr. 22ppm), Jupiter 4e 150MHz, 8Mbytes SDRAM  
1K(initial), 2K(sailes)  
USB 1.1 Model(Compatible with USB 2.0), IEEE 1284 Parallel(ML-2015)  
150pages feeding, 100pages Face Down  
2.2 Specifications  
Product Specifications are subject to change without notice. See below for product specifications.  
2.2.1 General Specifications  
Item  
Descriptions  
Print Method  
Electro-photographic Printing  
Developing system  
Print Speed  
Non-Magnetic, Mono-Component Developing System  
20 PPM : A4 size  
22 PPM (Letter size)  
Resolution  
1200 X 600 dpi  
Source of Light  
Warm-Up Time  
First Print Time  
Feed Method  
Media Size  
Laser diode (LSU : Laser Scanning Unit)  
Cold Warm-up : 30sec, Sleep mode : 30 sec  
Less than 10 seconds (Ready to 1st page out)  
MPF Type  
76 X 128mm (3 x 5”) to 216 X 356mm (8.5 X 14”)  
Tray : 16 ~28 lb , Manual Feeder : 16 ~ 43 lb  
358 299 217 mm  
Paper thickness  
Size(W X D X H)  
Weight  
Net : 4.8Kg(30.6Ib) with toner cartridge  
Gross : 7.65Kg(37.7Ib)  
Acoustic Noise  
Stand by : Less than 35 dB  
Printing : Less than 53 dB  
Yes  
Power save mode  
Toner save mode  
Machine Life  
Yes  
50,000pages  
Service Manual  
2-1  
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Product Specifications  
Item  
Descriptions  
Periodic Replacing Parts  
Same with Machine Life  
Pick Up Roller : 50,000 Pages  
Transfer Roller : 50,000 Pages  
Fuser Assembly : 50,000 Pages  
Toner Sensor  
No  
Toner Type  
Non-Magnetic Contact System  
1,000 sheets@ISO 5% coverage  
3,000 sheets@ISO 5% coverage  
Toner Initial  
Toner sale  
Cassette  
- Paper capacity : 150sheets  
- Paper weight : 60 ~ 163 g/ / 16 ~ 43 lbs  
2.2.2 Controller  
Item  
Descriptions  
Processor(CPU)  
Memory  
Jupiter 4e 150MHz  
Standard/Max. : 8MB(Max. 8MB)  
Type : SDRAM  
Expand Memory Slot, Type : NO  
Compression Technology : MET(Memory Enhancement Technology)  
Standard : SPL  
(Emulation)  
*(Interface)  
Auto Emulation Sensing : YES  
Standard : USB 1.1 Only(Compatible with USB 2.0)  
Option : NO  
Auto Interface Sensing : YES  
Font  
Type : Windows Fonts  
Number : NO  
Test Print  
Demo Mode : Press the Demo Key for 2 Seconds  
Configration Mode : Press the Demo Key for 2 Seconds  
Cleaning Mode : Not Support  
Service Mode : Press the Demo Key when Power on(F/W Download)  
ML-2015 model : I/O Support(USB 1.1 + IEEE 1284 Parallel port)  
Service Manual  
2-2  
Samsung Electronics  
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Product Specifications  
2.2.3 Electrical Specification  
Item  
Descriptions  
EURO : 220~240VAC  
Remark  
Input Voltage  
Nominal input voltage  
USA : 110~120VAC  
Input voltage range  
EURO : 198~255 VAC  
USA : 100~140VAC  
Nominal frequency  
50/60 MHz  
+3Hz  
Frequency tolerance  
Power Consumption  
Printing : 300W Avg(Max. 500W)  
Idling : 100W Avg or less  
Power Save : 8W Avg or less  
2.2.4 Environmental Range  
Item  
Operating  
Storage  
-20~40 (-4~104  
10~80%RH  
Temperature  
Humidity  
10~30 (50-90  
20~80%RH  
)
)
2.2.5 Toner Cartridge  
Item  
Descriptions  
Remark  
Life span  
Starter: 1,000 Pages(initial)  
Running : 3,000 Pages(sailes)  
Non-magnetic Contact Developing  
Conductive Roller Charging  
No  
A4 Size, ISO 19752 Pattern  
5% Coverage SIMPLEX  
Developing Method  
Charging Method  
Toner Empty sensor  
Ozone  
0.1PPM or less  
Cartridge Style  
Single cartridge  
Same as  
Service Manual  
2-3  
Samsung Electronics  
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Product Specifications  
2.2.6 Paper Handling Specifications  
Please refer to Paper Secifications on user Guide.  
2.2.6.1 Input Paper Size  
Paper  
paper size  
Manual Feeder  
A4  
210 X 297 mm  
O
O
O
O
O
Letter  
216 X 279(8.5 X 11")  
216 X 330(8.5 X 13")  
216 X 356(8.5 X14")  
184 X 267((7.25 X10.5")  
140 X 216(5.5 x8.5")  
176 X 250  
US Folio(Legal13")  
Legal(Legal14")  
Executive  
Statement  
ISO B5  
O
JIS B5  
182 X257  
O
A5  
148 X 210  
O
A6  
105 X148  
O
No.10 Env.  
Monarch Env.  
DL Env.  
105 X 241(4.15 X 9.5")  
98 X191(3.87 X 7.5")  
110 X 220(4.33 X 8.66")  
162 X 229(6.38 X 9.01")  
114 X 162(4.49 X 6.38")  
A4 or Letter  
O(1 sheet)  
O(1 sheet)  
O(1 sheet)  
O(1 sheet)  
O(1 sheet)  
O(1 sheet)  
O(1 sheet)  
C5 Env.  
C6 Env.  
Transparency(OHP)  
Label paper  
A4 or Letter  
2.2.6.2 Input capacity  
Item  
Descriptions  
Tray  
150 sheets  
2.2.6.3 Output capacity  
2.2.6.4 Duplex Printing  
Service Manual  
2-4  
Samsung Electronics  
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Product Specifications  
2.3 Model Comparison Table  
ML-1610 Series  
ML-2010 Series  
Remark  
CPU  
Jupiter 4e  
Jupiter 4e  
Platform  
same  
Code  
Legacy  
PPM  
A4 : 16ppm / Letter : 17ppm  
A4 : 20ppm / Letter : 22ppm  
Memory  
Dev. Fuse  
Resolution  
SPL Driver  
Manual Duplex  
Fan  
2MB  
8MB  
No. (New Drum Detection : No)  
No. (New Drum Detection : No)  
same  
300 / 600dpi  
Unified UI  
No.  
600 / 1200dpi  
Unified UI  
Yes.  
No.  
Yes.  
Mech  
Manual Feeder Guide : Yes  
Red  
Manual Tray LED  
Green  
Service Manual  
2-5  
Samsung Electronics  
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System Overview  
3. System Overview  
3.1 System Outline  
3
Paper Path Layout  
BIN PATH  
❶SMPS  
❷Fuser  
❸Toner Cartridge  
❺Exit Roller  
❹LSU  
❻OPC  
❼Pick-Up Roller  
❽KNOCK-UP PLATE  
❾KNOCK-UP PLATE DOWN ❿ASS’Y HOLDER PAD  
Feed Sensor  
MAIN PBA  
HVPS  
SMPS  
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System Overview  
Unit Layout  
LSU  
Panel  
HVPS  
Motor  
SMPS  
Main PBA  
Service Manual  
3-2  
Samsung Electronics  
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System Overview  
3.1.1 Feeding  
There are the C-path type, which loads papers, and the manual feeder, which supplies paper one by one.The  
cassette has the function pad which separates paper one by one, and it has the sensor function to check the  
existence of the loading paper.  
1) Feeding Type : MPF Type  
2) Feeding Standard : Center Loading  
3) Feeding Qty : Cassette 150 sheets (75g/ , 20lb paper standard)  
4) Manual 1 sheet (Paper, OHP, Envelope etc.)  
5) Separating Type : Cassette - Friction Pad Type  
6) Manual : None  
7) Driver Type : Driving by Gearing from Main Motor  
8) Pick_up Roller Driver : Solenoid  
9) Paper detecting Sensor : Photo Sensor  
10) Paper Size Sensor : None  
11) Paper Exit Type : Face Down  
12) MP Tray : MP Cassette Type (Cener Loading)  
3.1.2 Transfer Ass’y  
The transfer roller delivers the toner of the OPC drum to the paper.  
- The life span : Print over 50,000 sheets (in 16 ~30 )  
3.1.3 Driver Ass’y  
It is a power delivery unit by gearing. By driving the motor, it supplies the power to the feeding unit, the fusing unit,  
and the distributing unit.(Motor drive IC : A3977)  
- It is a power delivery unit by gearing : Feeder/Developer Motor Fuser/Exit  
3.1.4 FUSER  
The fuser is consisted of the Heat Lamp,Heat Roller,Pressure Roller,Thermister and Thermostat.  
It adheres the toner on the paper with pressure and heat to complete the printing job.  
- Life Cycle : 50K(pages)  
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System Overview  
1) Heat Lamp  
. Heat Lamp Terminal Shape : Terminal Single Type  
. Voltage 120 V : 115 + /- 5 %  
220 V : 230 + /- 5 %  
. Capacity : 600 Watt + /- 30 W  
. Life : 3000 Hr  
2) Thermostat  
. Thermostat Type : Non-Contact type THERMOSTAT  
. Control Temperature : 150  
5
3) Thermistor  
. Thermistor Type : HF-R0060 (SEMITEC 364FL Type)  
. Temperature Resistance : 7 (180 )  
. SYSTEM Temperature SETTING  
- Stand by : 165 + /- 5  
- Printing : 175 + /- 5 (5 minutes before)  
170 + /- 5 (5 minutes after)  
- Overshoot : 200 or less  
- Overheat : 210 or less  
4) Heat roller  
. Length : 254 mm  
. Valid length : 222 mm  
. GND Type : H/R Bearing Grounding type By SECC Fuser frame  
5) Pressure roller  
. Shaft  
- Length : 239.5 mm  
. Rubber  
- Length : 222 mm  
6) Paper separation method  
Teflon Coating with SUS Plate Claw System  
7) Safety Relevant Facts  
. Protecting device when overheating  
- 1st protecting device : H/W cuts off when detecting an overheating  
- 2st protecting device : S/W cuts off when detecting overheating  
- 3st protecting device : Thermostat cuts off the power  
. Safety device  
- The power of Fuser is cut-off after front cover is open.  
- The overheating safety device for customer  
- The surface temperature of the Fuser Cover is under 80  
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System Overview  
3.1.5 LSU (Laser Scanner Unit)  
The LSU unit is controlled by video controller. It scans the video data received from video controller with laser beam  
by using the rotation principle of the polygon mirror to create the latent image on the OPC drum. It is the core part of  
LBP.  
The OPC drum rotates as the same speed as the paper feeding speed. It creates the /HSYNC signal and sends it  
to the engine when the laser beam of the LSU reaches the end of the polygon mirror, and the engine detects the  
/HSYNC signal to arrange the vertical line of the image on the paper. After detecting the /HSYNC signal, the image  
data is sent to the LSU to arrange the its margin on the paper. The one side of the polygon mirror is one line for  
scanning..  
OPC Drum  
Photo Diode  
Polygon Mirror  
Polygon Motor  
Motor Driver  
LD Driver circit  
Protector panel  
LD(Laser Diode)  
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System Overview  
3.1.6 Toner Cartridge  
By using the electronic photo process, it creates a visual image. In the toner cartridge, the OPC unit and the  
developer unit are in a body. The OPC unit has OPC drum and charging roller, and the developer unit has toner,  
toner cartridge, supply roller, developing roller, and blade (Doctor blade)  
- Developing Method: Non magnetic 1 element contacting method  
- Toner: Non magnetic 1 element shatter type toner  
- The life span of toner: 2,000 sheets (ISO 19752 Pattern/A4 standard)  
- Toner Cartridge : Initial(1,000), Sales(3,000)  
- Toner remaining amount detecting sensor: None  
- OPC Cleaning: Collect the toner by using electric static + FILM OPC  
- Management of disusable toner: Collect the toner by using electric static (Clenerless Type- No disusable  
toner)  
- OPC Drum protecting Shutter: None  
- Classifying device for toner cartridge: ID is classified by interruption of the frame channel.  
Max -1.4KV  
Cleaning Blade  
8
-100V  
Cleaning Roller  
0.20mW  
2
1
-720V  
-150V↓  
6
7
-350V  
3
4
+5KV  
5
-550V  
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System Overview  
3.2 H/W Structure and Descriptions  
3.2.1 H/W Overview  
ML-2010 is roughly made up Main Control part and SMPS/HVPS part.  
Main Controller uses Jupiter4E for its ASIC, which is on chip micro controller and developed for Low-end Laser  
Beam Printer.  
Jupter4E provides the integrated printing functions such as Printer video controller, Laser Scan Unit controller,  
PWM controller and Bi-polar Stepper Motor Controller and has USB interface and built-in Flash memory with 4Mbits  
capacity.  
SMPS  
OPE B’D  
(Build-in HVPS)  
LSU  
HVPS  
Main Controller  
Jupiter IV ASIC  
DRAM 2M Byte  
V1.1 USB  
Printer  
Engine  
B’D  
Motor  
Flash Memory  
0.5M Byte  
3.2.1.1. Main Control  
ML-2010 of Main Control are composed of CPU and Print and operate follows function by CPU  
- Bus Control, I/o  
- Handling, each Driver and PC Interface  
Main Control operate its full function on the Main B'd and CPU control Controller ASIC and build-in  
Memory.  
3.2.1.2 CPU  
Use 32Bit RISC Processor of Jupiter4e, and control system by operating Operation Block of the System  
Program inside Flash Memory.  
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System Overview  
- Main Function Block: Completely Integrated System for Embedded Applications,  
32 Bit Risc Architecture, Efficient and Powerful ARM9 CPU  
LSU Interface Module for Interfacing PVC with LSU  
2 Channel General Purpose DMA Controller for High Speed I/O  
Dual Memory Bus Architecture  
- Operation Frequency : 150MHz  
- Operation Voltage : 3.3V  
- POWER ON RESET TIME : 6.6ms below  
3.2.1.3 Flash Memory  
Store System Program and can be down load System Program through PC Interface  
- Capacity : 0.5M Byte  
- Access Time : 70 nsec  
3.2.1.4 DRAM  
When Printing, use Band Buffer, System Working Memory Area .  
- 8M capa : 8M Byte basic.  
2M :Printing System Working Memory Area  
- Access Time : 60 nsec  
3.2.1.5 ENGINE  
This recording method is electrophography method using LSU, which toner is composed of 1 component  
and non magnetic.  
1) Recording Method : LSU(Laser Scanning Unit)  
2) Printing Speed : 20ppm  
(In continuing printing base A4, printing pages from 2nd to last during 1min)  
3) Recording Density : 600 dpi 1200 dpi  
4) Cassette Capa. : Cassette ; 150sheets(75g Base),  
Manual : N/A((DRIVE Selection : Paper, OHP, Envelop - 1 sheet)  
5) Paper Size : Cassette ,Manual; Width = 76 ~ 216mm, Length = 125mm ~ 356mm  
6) Effective recording size  
- A4 : 202 x 291 mm  
- Letter : 208 x 273 mm  
- Legal : 208 x 350 mm  
- Folio : 208 x 325 mm  
- Top Margin : 4.23 ° 3 mm  
- Left, Right Margin : 4.23 ° 3 mm  
7) CRU(Toner Cartridge)Life : 2,000pages Printing(A4, 5% Pattern Printing)  
8) First Print Out Time : within 11sec( Standby )  
9) Warming up time : within 30sec (Ambient : 25°  
)
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System Overview  
3.2.2 Main Board  
Main Board are composed of Engine and Controller on the one-Board.  
Main Board control to send Current Imagedml Video Data to LSU to print and have motor Driving and Circuit for the  
current driving and also include Paper Exit Sensor, Cover Open s/w, panel s/w.  
(IC-VOLTAGE COMP)  
U1  
(IC-CLOCK GENERATOR)  
U3  
12.0MHz  
U5  
(IC-DRAM/  
512K x 16Bit)  
(IC-EEPROM/256x12Bit)  
U8  
(IC-POSI, ADSUST REG)  
U7  
(IC-CMOS LOGIC, INVER TER)  
U10  
(IC-POSI, FLXED REG)  
U9  
(IC-MOTOR DRIVER)  
U12  
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System Overview  
U6(Jupiter 4E)  
- It is a main CPU and an Asic of Jupiter4E which has a CPU core CLK with over 150MHz and a System bus 75MHz.  
- It use 3.3V for operation voltage and I/O, It uses 75MHz for system bus CLK, Built in Flash Memory.  
SDRAM  
- Main memory. SDCLK is 75Mhz.  
A3977  
- It is an Main motor driver IC and controls the motion of main motor.  
Regulator  
- It Supplies the core voltage to CPU by converting 3.3V to 1.8V.  
EEPROM(U8 : 93C66)  
- It is an EEPROM with 12C method.  
SMPS connector(CN8)  
- It connects SMPS, supplies the power, and delivers the high voltage contol signal, etc. If a harness is not normally  
connected to this connector, power cannot be supplied.  
LSU connector(CN12)  
- It connects a LSU.  
DC Motor connector(CN11)  
- It connects an main motor and drive a DC motor.  
HVPS connector(CN10)  
- It connects a HVPS.  
DCU connector(CN1)  
- It interface a DCU-JIG  
USB connector(CN6)  
- It interface a the printer.  
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System Overview  
3.2.3 Asic(SPGPm) Specification  
3.2.3.1 Introduction  
Jupiter4E is One-Chip micro-Controller for Low cust Laser beam Printer.  
1. One Chip Laser Beam Printer Controller  
- GDI only  
- AMBA AHB used for high speed bus transactions between masters and slaves  
- AMBA APB used for low speed bus transactions between ARM core and peripherals  
- 3 PLLs ( 2 Dithered PLL and 1 General PLL)  
first for CPU(150MHz), AHB(75MHz), APB(75MHz),  
second for USB(48MHz)  
third for PVC(59MHz)  
- 75MHz system operation  
- 1.8V power operation  
- 3.3V tolerant input and bi-directional I/Os  
- SDRAM and IO Address / Data signals multiplexing  
2. Integrated ARM940T 32-bit RISC embedded processor core  
- 150MHz core frequency operation  
- Harvard Architecture Cache : 4KByte Instruction cache, 4KByte Data cache  
- Single memory bus architecture  
3. Built in Flash Memory  
- 4MBits (128Kx32bits)  
- Serial programming mode using flash programmer tool  
- Internally flash memory read / write operation support  
- Programmable access timing control  
4. 32MB Special function Register Area  
5. Directly connected to 3 external IO banks (IOC)  
- 32 MB size in each IO bank  
- Programmable setup, access, hold timing  
- Programmable recovery time for slow devices  
- Allows to access peripheral devices such as GPIO control logic  
6. Directly connected to 1 external ROM bank (ROMC)  
- 32 MB size for one ROM bank  
- One external flash memory attachable.  
7. Directly connected to two SDRAM banks (SDRAMC)  
- Extensible architecture  
- Two external SDRAM attachable.  
- SDRAM controller supports PC-100 and PC-133 SDRAM running at 75MHz  
- Up to 32MB per bank.  
- Support for SDRAM configurations including programmable column address  
- Programmable refresh interval  
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System Overview  
8. Interrupt Controller (INTC)  
- FIQ or IRQ mode operation selectable  
- Programmable Interrupt Enable/Disable  
9. USB interface  
- Version 1.1  
- Four 128x8 FIFOs for Data transmission.  
- Interrupt based input / output interface, no DMA based interface support  
- USB wrapper for AHB interface  
- AHB Bus interface  
10. Serial port interface (UART)  
- Programmable Baud Rate  
- 2 channel Independent Full Duplex UART  
- Polling, Interrupt based operation support  
- Max 16 byte FIFO to handle SIR Bit Rate Speed  
11. Printer video controller for LBP engines (PVC)  
- 80MHz video rate (Hummingbird 2 : letter - 21 ppm, A4 : 20ppm)  
- video data transmitted through LSU Controller  
12. Laser Scan Unit (LSU) Controller  
- Laser Scan Unit (LSU) Interface for Laser Diode turn on/off timing control  
- Sample & hold period generation.  
- Auto Power Control for Laser Diode with PID control method using internal 10 bits DAC.  
- LSU clock generation  
- Brushless DC motor control clock generation  
13. ADC Interface  
- 4 channels ADC interface for analog devices such as temperature sensor.  
- Programmable ADC Clock Cycle.  
- Automatic or Manual AD Conversion support.  
- 4 Special Function Registers for monitoring the ADC results for 4 channels.  
14. PWM Controller  
- 4 PWM output ports - THV, BIAS, FAN control and AC ELECTRIFICATION  
15. Bi-polar Stepper Motor controller (MOTORC)  
- Phase generation for the purpose of paper feeding  
- fixed hardware phase and current table  
- programmable phase and interval time  
- Interrupt based phase change operation  
16. Timer  
- 3 Independent Programmable Timers  
- Watch Dog Timer for S/W Trap  
17. Miscellaneous  
- Mux controlled 24 GPI, 28 GPO & 5 GPIO ports .  
- Mutual exclusive GPO/GPIO ports control by the port control enable register  
- Programmable Bus Master Priority.  
- Project code added.  
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System Overview  
3.2.3.2 Jupiter4E Internal Block Diagram  
AHBC  
( ARB, DEC, MUX)  
SCL  
SDA  
TMS  
ARM CORE  
TCK  
FLASH CORE  
mfl130_128Kx32  
(
ARM940T  
I / C 4KB  
PROGRAM  
TDI  
(
)
TDO  
ENEXHV  
)
D/ C 4KB  
EXHV  
DC2-0  
nTRST  
TIC  
nSRAS  
nSCAS  
nSCS  
A
H
SDRAMC  
PVC  
DQM1-0  
( EXT  
:
2 CH)  
B
BA1-0  
SCKE  
A
H
B
PPD[7:0]  
nSTROBE,  
nINIT,  
nSLCTIN,  
nAUTOFD  
ADDR18-0  
ADDR/DATA  
BUS MUX  
DATA15-0  
PPI  
PDE,  
BUSY,  
nSWE/nWE  
nACK,  
SELECT,  
PERROR,  
nFAULT  
nIOCS1-0  
nIOCS2_WE  
nIOCS2_OE  
IOC ( 3 CH)  
/ ROMC (1 CH)  
nIOCS_ALL  
nROMCS  
nOE  
RXD1-0  
TXD1-0  
UART  
D+  
D-  
A
P
B
APB  
USB CORE  
Dpullup  
VBUS  
(
)
USB1 . 1  
BRI DGE  
nLREADY  
nHSYNC  
VDO  
LSUCLK  
SHPERIOD  
nLDON  
INTC  
TCU  
LSUC  
( dac1264x_1455)  
DACOUT  
BLDC_CLK  
GPIO4-0  
GPO27-0  
TEST  
MISC  
ADC INTERFACE  
( adc1275x_pc)  
ADCIN3-0  
OM2-0  
nRESET  
XI  
PWM3-0  
PWM  
PLL  
XO  
( pll 2096x, pll 2073x)  
CL OCK & RESET  
CAP2-0  
SCLK  
MOTPAT5-0  
MOTORC  
EXTCLK  
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System Overview  
3.2.4 Sensor Controller  
3.2.4.1 Paper Feeding/Width  
When a paper passes an actuator of a feed sensor unit after feeding a paper into a set,it detects a signal of  
the photo interrupter and informs the paper feeding status to CPU. After sensing the signal and certain time  
later, it strews an image data.(Related in Paper Front Edge Adjustment)  
If it could not detect the feed sensor within 1 second after feeding a paper, a paper jam0 (CPU#_) occurs.  
ML-1610 differs from other general printers because it doesn’t have a paper empty sensor. It recognizes  
the paper existing status by using a firmware. If a paper is not fed, it recognizes the state as no paper (Red  
and Yellow lights turn on among other LEDs). With the same principle, it senses the OPC unit. After OPC  
unit is mounted,the actuator operates. When it passes the actuator of sensor unit, it detects the signal of  
the photo interrupter, informs the existing OPC unit to CPU, and then stays at the status.  
3.2.4.2 Paper Empty Sensing  
The paper empty is detected by the empty sensor mounted to an engine board and the actuator mounted  
to a frame. Paper senses the on/off time of the empty sensor by using CPU and informs the normal  
operation status and the jam occurrence status to CPU.  
3.2.4.3 Jam Cover/Cover Open Sensing  
ML-1610 uses two M/S:one senses the cover open and the other senses the jam cover open.  
The cover open sensor is located on the left bottom of HVPS.When the front cover is open, +24V supplied  
to each unit (DC fan,Solenoid,Main Motor,Polygon Motor Unit of LSU in Fusing Unit,and HVPS)is  
interrupted.  
The jam cover open sensor is located on the left bottom of SMPS. When the jam cover is open, +24V  
supplied to each unit (DC fan, Solenoid, Main Motor, Polygon Motor Unit of LSU in Fusing Unit, and HVPS)  
is interrupted.  
D0 bit of CPU detects the jam cover open/cover open, and D7 bit of CPU detects the existence of OPC.  
In this case, it informs the status to user by turning on the red LED among OP panel LEDs.  
3.2.4.4 Solenoid Driving Circuit  
The solenoid consists of two used for paper pick-up and MP signal. D4 bit of CPU turns it on/off, and its  
driving time is 300ms. The diode protects the drive TR from the pulse (noise)generated by de-energizing  
operation of solenoid.  
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System Overview  
3.2.5 SMPS board (Switching Module Power Supply)  
The SMPS supplies DC Power to the System.  
It takes 110V/220V and outputs the +5V, +24V to supply the power to the main board and other board. It is  
consisted of the AMPS part, which supplies the DC power for driving the system, and the AC heater control part,  
which supplies the power to fuser. SMPS has two output channels. Which are 5V and +24V  
Micro Switch  
CON1(Inlet)  
F1(Fuse/250V, 5A)  
Power Switch  
CON2  
(Output)  
Exit Sensor  
Pin Signal  
<CON2>  
Pin No  
Pin Name  
1
2
3
4
5
6
7
8
9
+24VS2  
+24V  
+24VS1  
+24VS1  
+5V  
DGND  
DGND  
P_REGI  
FUSER ON  
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System Overview  
1) SMPS Specification  
- AC Input  
Input Rated Voltage : AC 220V ~ 240V, AC 120V / AC 220V(110V version)  
Input Voltage fluctuating range : AC 90V ~ 135V / AC 180V ~ 270V(220V version)  
Rated Frequency : 50/60 Hz  
Frequency Fluctuating range : 47 ~ 63 Hz  
Input Current : Under 4.0Arms / 2.5Arms  
(But, the status when lamp is off or rated voltage is inputted/outputted )  
- Rated Output Power  
No  
Items  
CH1  
CH2  
Remarks  
1
2
Channel  
+5V  
+24.0V  
CON 3  
Connector pin  
CON 3  
5V PIN : 11, 12  
GND PIN : 8, 9  
24V PIN : 2, 3, 4  
GND PIN : 6, 7  
3
Rated Output  
+5V 5%  
(4.75 ~ 5.25V)  
0.8A  
+24V  
5%  
(20.4 ~ 27.6V)  
2.0A  
4
5
6
7
8
9
Max. Output current  
Peak Loading current  
RIPPLE NOISE Voltage  
Maximum output  
1.0A  
2.5A  
1ms  
100mVp-p or less  
4W  
500mVp-p or less  
24W  
Peak output  
5W  
48W  
1ms  
Protecttion for loading  
shorage and overflowing  
current  
- Consumption Power  
No  
Items  
CH1(+5V)  
CH2(+24V)  
System  
1
2
3
Stand-by  
1.0 A  
1.0 A  
0.8 A  
0.4 A  
AVG : 55 Wh  
AVG : 250 Wh  
AVG : 10 Wh  
PRINTING  
Sleep-Mode  
2.0 A  
0.4 A  
- Power Cord Length : 1830° 50mm  
- Power Cord Switch : Use  
- Feature  
. Insulating Resistance : 100 or more (at DC 500V)  
. Insulating revisiting pressure : Must be no problem within 1 min. (at 1000Vac,10mA)  
. Leaking Current : under 3.5mA  
. Running Current : under 40A PEAK (AT 25 , COLD START)  
under 50A PEAK (In other conditions)  
. Rising Time : within 2Sec  
. Falling Time : over 20ms  
. Surge : Ring Wave 6KV-500A (Normal, Common)  
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System Overview  
- Environment Condition  
. Operating temperature range : 0  
. Maintaining temperature range : -20  
40  
40  
. Preserving Humidity Condition : 10% ~ 90% RH  
. Operating atmospheric pressure range : 1atm  
- EMI Requirement : CISPR ,FCC, CE, MIC,  
- Safty Requrement : IEC950 UL1950, CSA950, C-UL,Semko, EK,CB,  
CCC(CCIB),GOST, EPA, Power Save  
3.2.6 HVPS board (High Voltage Power Supply)  
The HVPS board creates the high voltage of THV/MHV/Supply/Dev and supplies it to the developer part for making  
best condition to display the image. The HVPS part takes the 24V and outputs the high voltage for THV/MHV/BIAS,  
and the outputted high voltage is supplied to the toner, OPC cartridge, and transfer roller.  
1) Transfer High Voltage (THV+)  
- Input Voltage : 24 V DC ° 15%  
- Out Voltage : Max. +1.3KV ° 15% (Cleaning,200  
- Out Voltage Trigger : 6.5  
)
- Input Voltage Variation : 5 % below(Variation 21.6V°≠26.4V)  
Load Variation : % below  
- Out Voltage Rising Time : 100 ms Max  
- Out Voltage Falling Time : 100 ms Max  
- Transfer Variation Voltage on Environment Variation : +650 V(Duty 10%) ~ 5KV (Duty 90%)  
- Control Method on environment : THV-PWM ACTIVE,transfer Active signal, of environment sensing  
voltage is input and get feed back current, and recalculate it to resistence .  
- Control method on transfer output voltage : It is controlled by changing its duty of THVPWM Signal as  
follows. 10% Duty : +650V, 90% Duty : +5KV  
5%  
2) Charge Voltage (MHV)  
- Input Voltage : 24 V DC 15%  
- Out Voltage : -1.3KV ~ 3.2%  
- Out Voltage Rising Time : 50 ms Max  
- Out Voltage Falling Time : 50 ms Max  
- Out Voltage Range : 30 ~ 1000  
- Output Control Signal(MHV-PWM) : CPU is HV output when PWM is Low  
3) Developing Voltage (DEV)  
- IInput Voltage : 24 V DC  
- Output Voltage: -350V  
15%  
4.6%  
- Output Voltage Fluctuation range: PWM Control  
- Input contrast of the output stability degree : 5 % or less  
- Loading contrast : 5 % or less  
- Output Voltage Rising Time : 50 ms Max  
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System Overview  
- Output Voltage Falling Time : 50 ms Max  
- Output Loading range : 10Mߟ ~ 1000  
- Output Control Signal (BIAS-PWM) : the CPU output is HV output when PWM is low.  
4) Supply  
- Output Voltage : -550 V 8.6%(ZENER using, DEV )  
- Input contrast of the output stability degree : under 5 %  
- Loading contrast : 5 % or less  
- Output Voltage Rising Time : 50 ms Max  
- Output Voltage Falling Time : 50 ms Max  
- Output Loading range : 10 ~ 1000  
- Output Control Signal (BIAS-PWM) : the CPU is HV output when PWM is low.  
LED2  
(Toner Save LED)  
LED1  
CN3  
Switch  
(Error LED)  
MHV  
OPC  
DEV  
THV  
Supply  
Micro Switch  
CN1  
Input  
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System Overview  
3.2.7 FUSER AC POWER CONTROL  
Fuser(HEAT LAMP) gets heat from AC power. The AV power controls the switch with the Triac, a semiconductor  
switch. The 'ON/OFF control' is operated when the gate of the Triac is turned on/off by Phototriac (insulting part).  
In other words, the AC control part is passive circuit, so it turns the heater on/off with taking signal from engine  
control part.  
When the 'HEATER ON' signal is turned on at engine, the LED of PC1 (Photo Triac) takes the voltage and flashes.  
From the flashing light, the Triac part (light receiving part) takes the voltage, and the voltage is supplied to the gate  
of Triac and flows into the Triac. As a result, the AC current flows in the heat lamp, and heat is occurred.  
On the other hand, when the signal is off, the PC1 is off, the voltage is cut off at the gate of Triac, the Triac  
becomes off, and then the heat lamp is turned off.  
1) Triac (THY1) feature :16A, 600V SWITCHING  
2) Phototriac Coupler (PC3)  
. Turn On If Current : 16mA  
. High Repetive Peak Off State Voltage : Min 600V  
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System Overview  
3.3 S/W Structure and Descriptions  
The purpose of this document is to describe the design specification of the Engine Control F/W for the  
ML-1610.  
3.3.1 Introduction  
This Engine Control Firmware is a program that controls LBP Engine of the ML-1610.  
This firmware is executed every 10msec as an interrupt routine of the main system. At stand-by state, this firmware  
monitors the enable print command from the main system. If the enable print command is detected, this firmware  
controls the Engine Mechanism according to the printing process and paper feeding state. And with the Sleep  
command or Wake-Up command, this firmware controls the Engine state.  
3.3.2 Engine Control F/W Overview  
Engine Control F/W is executed every 10msec by timer interrupt of main system. And it consists of 3 control  
modules.  
- Engine Main Control, Interface Control and Sensing & Unit Control Module.  
Major operations of the Engine Control F/W are following.  
- Control the Pick-Up, Feeding and Discharging of Paper  
- Control the LSU  
- Control the HVPS for the Developer Process  
- Control the Temperature of Fixing unit  
Controlling selection to here is added.  
- Second Cassette Feeder(SCF) : N/A  
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System Overview  
- Architecture of Engine Control F/W  
Power On  
Initial  
Main F/W of the printer controller  
Engine F/W  
Device Units  
Fixing Unit  
LSU  
Interface Control Module  
HVPS  
Engine Main Control Module  
Fan Unit  
Motors  
Solenold &  
Clutch  
Sensing & Unit Control Module  
Hardware Devices  
& Mechanical Device  
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System Overview  
3.3.3 F/W Architecture of Engine Control Firmware  
- The Engine Control Module is executed every 10msec as interrupt job of main system. There are three  
control modules, i.e., Engine Main Control Module, Engine Interface Module and Sensing & Unit Control  
Module.  
- Probably from usual state it will be able to rehabilitated a prior to entry error state in error condition it is to  
confirm. When the if rehabilitation is possible then after rehabilitating it goes back in usual state, else with  
an error condition it goes in error state. Currently the rehabilitation function of the low heat error , the over  
heat error and the LSU error is embodied.  
- Low Heat Error  
When the error occurrs, it does not indicate an error. It stores the present temperature and supplies the  
heat to the fixing unit during the scheduled time. If the temperature goes up after scheduled time, it goes  
back to a normal state. However, if not, it is formed that an error occurrs.  
- Over Heat Error  
When the error occurs, it informs an error first. It stores the present temperature as well and waits a  
scheduled time. If the temperature goes down after scheduled time, then it goes back to a normal state.  
However, if not, it is formed that an error occurrs.  
- Lsu Error  
When the error occurrs, it does not indicate an error. It accomplishes printing only again. If even time  
when it judges an error, it informs an error. Concretely speaking, if the LReady or Hsync error happens,  
the paper exits out beforehand. And then the engine mode is changed to recovery mode and the engine  
informs the main system of the engine mode. And the engine checks the LSU error in itself. If the error  
doesn’t happen, the printing job will be proceeding.  
3.3.4 Engine Interface Module Design  
Engine Interface Module communicates with the main system in order to receive the command from main system  
and to transmit the present engine status for the requested status. There are two sub functions. One is a function to  
receive the command from the main system. The other is a function that informs the main system of the current  
engine status for the requested item.  
3.3.5 Engine Sensing & Unit Control Module Design  
Engine Sensing & Unit Control Module consists of 4 sub-functions. The first function is an ADC function that reads  
the ADC values of the temperature of the fixing unit. The second one is a fixing unit control function. This function  
regulates the temperature of the fixing unit within a fixed range to be set by the paper type and the number of pages  
to print out. The third one is a fan control function that controls the fan unit. And the last one sets the flag that  
describes the present status of each sensor.  
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System Overview  
- F/W Architecture  
START  
Global Timer Increment  
Get A DC Value  
(Tempe rature, .. )  
Control the fixing unit  
&
Check error condition for the fixing unit  
Control the fan unit  
Get status value of each sensor  
&
Set present status flag of each sensor  
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System Overview  
3.3.6 LED Behaviors  
Ready  
LED Error  
LED Toner Save  
LED Status  
ON  
OFF  
OFF  
N/A  
N/A  
Ready to receive the data.  
SLOW BLINK  
Receiving the data from the host.  
In case that toner save mode is ON.  
FAST BLINK  
OFF  
N/A  
Printing the page.  
In case that toner save mode is ON.  
N/D  
OFF  
BLINK  
N/A  
N/D  
ON  
N/D  
N/A  
Recovery mode  
Out of paper  
BLINK  
N/A  
BLINK  
ON  
Service error (LSU or Fuser error)  
Toner save mode is ON  
Toner save mode is OFF  
N/A  
N/A  
OFF  
3.3.7 Error LED Operation  
Error LED Operation  
All LEDs blink the each time interval.  
Service Error  
LED operation  
Fuser Error  
Open Fuser Error  
Low Heat Error  
Over Heat Error  
LReady Error  
All LEDs (Toner save LED, Error LED) blink a time interval  
of 1 second.  
All LEDs (Toner save LED, Error LED) blink a timeinterval of  
4 seconds.  
All LEDs (Toner save LED, Ready LED and Error LED) blink a  
time interval of 1 second.  
LSU Error  
All LEDs (Toner save LED, Ready LED) blink a time  
interval of 1 second.  
Hsync Error  
All LEDs (Toner save LED, Ready LED) blink a time  
interval of 4 seconds.  
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System Overview  
3.4 Initial Product Installation  
3.4.1 Accessory List  
Remove the printer and all accessories from the packing carton. Make sure that the printer has been packed with  
the following items:  
3.4.2 Installing the Toner Cartridge  
1. Grasp the front cover and pull it toward you to open.  
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2. Remove the toner cartridge from its bag and remove the paper covering the cartridge.  
3. Gently shake the cartridge from side to side to distribute the toner evenly inside the cartridge.  
4. Locate the cartridge slots inside the printer, one on each side.  
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5. Unfold the toner cartridge handle and grasp it. Insert the cartridge in the printer until it snaps into place.  
6. Close the front cover. Make sure that the cover is securely closed. If the cover is not firmly closed,  
printing errors may occur when you print.  
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3.4.3 Loading Paper  
You can load approximately 150 sheets of paper in the tray.  
1. Grasp the paper input tray and pull it toward you to open.  
Pinch the rear guide and pull it out to extend the tray.  
2. Prepare a stack of paper for loading by flexing or fanning them back and forth. Straighten the edges on a  
level surface.  
3. Load paper with the print side facing up. Make sure that all four corners are flat in the tray.  
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System Overview  
4. Pay attention not to overload paper. Paper overloading may cause paper jams.  
5. If necessary, pinch the rear guide to adjust for the paper length and pinch the side guide and slide it to  
the left flush against the paper.  
3.4.4 Connecting a Printer Cable  
To print from your computer, you need to connect your printer to your computer with a Universal Serial Bus (USB)  
cable.  
1. Make sure that both the printer and the computer are turned off.  
2. Plug the USB printer cable into the connector on the back of the printer.  
3. Connect the other end of the cable to the USB port on your computer.  
See your computer User’s Guide if you need help.  
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System Overview  
3.4.5 Turning the Printer on  
1. To print from your computer, you need to connect your printer to your computer with a Universal Serial  
Bus (USB) cable.  
2. Plug the other end into a properly grounded AC outlet and turn on the printer using the power switch.  
3.4.6 Printing a Demo Page  
Print a demo page to make sure that the printer is operating correctly.  
1. Press and hold down the Cancel button on the control panel for about 2 seconds to print a demo page.  
2. The Demo page shows the printer’s current configuration.  
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System Overview  
3.4.7 Installing Printer Software  
The supplied CD-ROM contains Windows printing software, Linux printing software, on-line User’s Guide and  
Acrobat Reader to view the User’s Guide.  
1. If you are printing from Windows  
- You can install the following printer software using the CD-ROM.  
• Printer driver for Windows. Use this driver to take full  
- advantage of your printer’s features. For details, see Software User Guide.  
• Status Monitor allows you to see the printing status of the printer. For details, see Software User  
Guide.  
2. If you are printing in Linux  
- Go to Software User Guide for information about installing the Linux driver.  
3. System Requirements  
Your machine supports following operating system.  
• Windows 98/Me/2000/XP - The following table shows Windows requirements.  
Item  
Operating System  
CPU  
Requirements  
Window 98/Me/2000/XP  
Window 98/Me/2000/XP  
Window XP  
Pentium II 400 or higher  
Pentium II 933 Ghz or higher  
64 MB or higher  
RAM  
Window 98/Me/2000  
Window XP  
128 MB or higher  
Free Disk Space  
Internet Explorer  
Window 98/Me/2000  
Window XP  
300 MB or higher  
1 GB or higher  
5.0 of higher  
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Alignment and Adjustments  
4. Alignment and Adjustments  
4.1 Sample Pattern  
4
This product has the several sample patterns for maintenance. With the sample patterns, check the  
existence of the abnormality. The patterns help to regularly maintain the product.  
4.1.1 Printing a Demo Page  
Print a demo page or a configuration sheet to make sure that the printer is operating correctly.  
1) Hold down the Cancel button for about 2 seconds to print a demo page.  
2) The Demo page or the configuration sheet shows the printer’s current configuration.  
ML-20XX Series  
Monochrome Laser Printer  
DigitAIIperformance  
Up to 22ppm(Letter)/20ppm(A4) print speed: ML-2010/ML-2015 Series  
* Print speed will be affected by operating system used, computing performance,  
application software, connecting method, media type, media size, and job complexity.  
True 600 x 600 dpi print resolution  
150NHz processor  
8MB Memory  
150 sheets paper cassette  
DigitAIIValue  
One touch Toner Save Button - expand the life of the toner cartridge by 40%  
One touch Cancel Button  
Great Price, Great Performance  
DigitAIIcompatibility  
R
Windows 98/2000/Me/XP: ML-2010 Series  
Windows 95/98/NT4.0/2000/Me/XP: ML-2015 Series  
Various Linux OS including Red Hat, Caldera,  
Debian, Mandrake, Slackware, SuSE, and Turbo Linux  
USB 1.1 interfaces: ML-2010 Series  
www.samsungprinter.com  
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e
’
s
i
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v
i
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dTM  
**AII other trademarks are the property of their respective owners.  
Samsung Electronics, AII rights reserved.  
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Alignment and Adjustments  
4.2 Control Panel  
4.2.1 OP Panel  
4.2.2 On Line/Error and Toner Save LEDs  
LED  
Description  
If the On Line/Error lights green, the printer is ready to print.  
If the On Line/Error lights red, the printer is experiencing an error,  
such as jammed paper, no paper, the open cover or the empty toner cartridge.  
If you press the Cancel button while the printer is receiving data,  
the On Line/Error LED blinks red to cancel printing.  
In Manual Feed mode, if there is no paper in the tray, the OnLine/Error LED blinks red.  
Load paper into the tray and the LED stops blinking.  
If the printer is receiving data, the On Line/Error LED slowly blinks green.  
If the printer is printing the received data, the On Line/Error LED blinks green fast.  
If you press the Cancel button in Ready mode, this LED is on and the Toner Save  
mode is enabled.  
If you press this button once again, this LED is off and the  
Toner Save mode is disabled.  
If the On Line/Error and Toner Save LEDs blink, your system has some problems.  
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Alignment and Adjustments  
4.2.3 Cancel button  
LED  
Description  
Printing demo page  
In Ready mode, press and hold this button for about 2 seconds until  
all LEDs blink slowly, and release.  
Manual feeding  
Press this button each time you load a sheet of paper in the  
tray, when you select Manual Feed for Source from your software application.  
Canceling print job  
Press this button during printing. The On Line/Error LED blinks while the  
print job is cleared from both the printer and the computer, and then return to  
Ready mode. This may take some time depending on the size of the print job.  
In Manual Feed mode, you can’t cancel the print job by pressing this button.  
Toner Save mode on/off  
In Ready mode, press this button to turn the Toner Save mode on or off.  
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Alignment and Adjustments  
4.3 Consumables and Replacement Parts  
The cycle period outlined below is a general guideline for maintenance.  
A printer can’t transmit or receive documents this line is for fax machines.  
Environmental conditions and actual use will vary these factors.  
The cycle period given below is for reference only.  
COMPONENT  
Pick-up Roller  
Transfer Roller  
Fuser  
REPLACEMENT CYCLE  
50,000 Pages  
50,000 Pages  
50,000 Pages  
Toner Cartridge  
2,000 Pages(Sales), 1,000 Pages(Initial)  
4.4 LED Status Error Message  
ERROR  
LED Status  
DCU CODE  
Open Fuser Error  
Over Heat Error  
Low Heat Error  
The [Error] LED (red) and the [Toner Save] LED are simultaneously  
flashing every one-second.  
60  
The [Error] LED (orange) and the [Toner Save] LED are  
simultaneously flashing every one-second.  
68  
62  
95  
96  
The [Error] LED (red) and the [Toner Save] LED are simultaneously  
flashing every 4 seconds.  
LSU not Ready Error  
(Pmotor Error)  
The [Error] LED (green) and the [Toner Save] LED are  
simultaneously flashing every one-second.  
LSU Not Ready Error  
(HSYNC Error)  
The printing is stop in the fad status, and the [Error] LED (green) and  
the [Toner Save] LED are simultaneously flashing every 4 seconds.  
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Alignment and Adjustments  
4.5 Periodic Defective Image  
If the delinquent image regularly occurs in the printed-paper, it is due to delinquent or damaged roller.  
Refer to the table in below and check the condition of the roller.  
No  
1
Roller  
Defective image  
75.5mm  
Typical defect  
white spot on black image or black spot  
black spot  
OPC Drum  
2
Charge Roller  
Supply Roller  
Developing Roller  
Transfer Roller  
Heat Roller  
37.7mm  
3
47.5mm  
light or dark horizontal image band  
horizontal image band  
4
35.2mm  
5
46.2mm  
image ghost  
6
63.9mm  
Black spot and image ghost  
black spot on the backside  
7
Pressure Roller  
75.4mm  
BIN PATH  
5
6
7
Transfer Roller  
Heat Roller  
1
2
3
4
OPC Drum  
Charge Roller  
Supply Roller  
Developing Roller  
Pressure Roller  
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Alignment and Adjustments  
4.6 How to use DCU  
4.6.1 DCU Setup  
You can examine the malfunction of the printer. To perform DCU, open the front discharge cover and leave the  
connect the harness wire(10 pin/4 pin) to the CN1(ML-1610) of the Main control board.  
ML SERIES DIAGNOSTIC CONTROL UNIT  
04 DEV 300  
05 LSU READY  
07 PAPER EMPTY  
08  
DEV 350  
DEV 350  
LSU MT & LD  
PAPER WIDTH  
EXIT SENSOR  
LSU MOTOR  
NEW CRU  
SELF  
TEST  
FEED SENSOR  
09 COVER OPEN  
STATUS  
10 COER HEATING PRINTING TEMP READY HEAT  
DIAGNOSTIC  
ON  
OFF  
DIAGNOSTIC CODE  
00 MAIN MOTOR OPERATING SYSTEM  
STATUS CODE  
61 WARM UP  
MAIN HIGH-VOLTAGE ON  
TRNSFER HIGH-VOLTAGE (-)ON  
THV(+) REFERANCE VOLTAGE  
DEV/SUPPLY HIGH-VOLTAGE ON/PTL ON  
LSU OPERATING SYSTEM  
PICKUP CLUTCH ON  
PEEMPTY/PWITH/NEW CRU TEST  
FEED & EXIT SENSOR TEST  
COVER OPEN SENSOR TEST  
FUSER TEST  
01  
02  
03  
04  
05  
06  
07  
08  
09  
10  
11  
00 READY (REGAL)  
01 READY (LETTER)  
READY (A4)  
READY (EXECUTIVE)  
READY (B5)  
02  
03  
04  
PRINT START  
20  
30  
40  
50  
FEED SENSOR ON  
FEED SENSOR OFF  
PAPER OUT  
HOT BURN TEST  
CLEAN MODE PRINT  
12  
13  
14  
THV(+)TRIGGER, ALL HV & FAN ON  
THV(+) REFERENCE ON  
SLEEP MODE  
69  
ERROR STATUS CODE  
OPEN FUSER ERROR  
LOW TEMPERATURE ERROR  
OVER HEATING ERROR  
COVER OPEN ERROR  
NO PAPERR  
PAPER JAM 0  
PAPER JAM 1  
PAPER JAM 2  
60  
62  
68  
64  
70  
71  
72  
73  
95 LSU NOT READY  
DIAGNOSTIC  
MODE  
DOWN  
UP  
SHIFT  
STOP  
ENTER  
TO ENTER DIAGNOSTIC MODE, PUSH THREE BUTTONS SIMUL ANEOUSL  
AND TURN THE PRINTER POWER ON.  
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Alignment and Adjustments  
4.6.2 Code  
Connect DCU to the printer and turn the power on. It show 7 Segment FND on the panel and each code tells the  
function of the printer.  
1) Normal Code  
While printing or warming up, it indicate the position of the paper  
Code  
State  
Description  
61  
Warm up  
The printer is on, the cover is open or close.  
00~05  
Ready(kind of paper)  
The printer is ready, the paper is detected when the first paper is printed.  
00: Legal ,01: Letter ,02: A4 ,03: EXEC ,04: B5 ,05: Folio, 06: A5/A6  
The engine controller received the print order from the video controller.  
20: 1st, 21: MP, 22: SCF  
20, 21, 22  
Print Start  
30  
40  
50  
69  
Feed Sensor On  
Feed Sensor off  
Paper Out  
The paper is passing out of the Feed Sensor.  
The paper has passed out of the Feed Sensor.  
The paper has passed out of Exit Sensor.  
Sleep Mode  
The fuser power turned off to minimize the power consumption.  
2) Error Code  
When detecting the malfunction, the printing is stopped to indicate error code.  
Code  
State  
Description  
60, 62, 68 Fuser Error  
The error in the fuser occurred. There is a short circuit in the thermistor  
and the thermostat while printing, Low Temperature Error occurs.  
• 60: Open Fuser Error  
• 62: Low Heat Error  
• 68: Over Heat Error  
64  
65  
70  
71  
72  
Cover Open  
CRU Error  
No Paper  
The Printer Cover is open.  
The Toner Cartridge not installed,  
No paper in the paper cassette.  
Paper Jam 0  
Paper Jam 1  
The front part of paper is jammed between pickup unit and Feed sensor.  
The front part of paper is jammed between the Discharge sensor and Feed  
sensor.  
73  
Paper Jam 2  
The front part of paper is jammed just after passing through the discharge  
sensor.  
76  
95  
Out Bin Full  
The Out bin is filled with paper.  
LSU Not Ready  
LSU Scanner Motor not ready or Hsync signal not output.  
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Alignment and Adjustments  
4.6.3 Self Diagnostic Mode  
If Error code occurs due to malfunction of the printer, perform Self Diagnostic Mode to solve the problem.  
The printer works only in the self-test mode to solve the malfunction problem.  
To enter the self-test mode, turn the power on pressing the buttons of [Down], [Shift] and [Stop] at the same time.  
Release the button within 2 or 3 seconds if 78 shows in the DCU. If 00 shows in the DCU, press the button [Up] or  
[Shift] to select the self+test , and press the button of [Enter] to operate. To stop, press the button of [shift] and  
[Enter] together.  
Code  
00  
Description  
Main Motor Operating System  
Only the main motor is in operation.  
01  
02  
Main High Voltage On(THV-)  
-1400 voltage output by MHV terminal.  
Caution : High voltage probe should be used.  
Transfer High Voltage(-)On(THV-)  
-1000 voltage output by MHV terminal.  
Caution : High voltage probe should be used.  
03  
04  
Transfer High Voltage (+)Reference on (THV +)  
+1300 voltage output by MHV terminal.  
Caution : High voltage probe should be used.  
DEV/supply High Voltage : DEV/Supply High Voltage Test.  
The left one of the three LEDs in the self-test panel is on when DEV high voltage Supply  
high voltage output by each HV terminal. Press the [Up] button to switch the voltage. The  
middle and right one of the three LEDs are on and -350 voltage output by DEV HV  
terminal.  
Caution : High voltage probe should be used.  
05  
06  
LSU Operating System  
The scanning motor of LSU is in operation, the right LED of the three buttons on. Press  
the [Up] button to Check LD. LD is functioning and the middle button is on. If the LD is  
normal, all LEDs are on.  
Pickup clutch on  
The Solenoid in the printer is in operation. To stop the operation, Press the button [shift]  
and [Enter] together.  
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Alignment and Adjustments  
Code  
Description  
07  
Paper Empty Sensor Test :  
If activate the Actuator of the PEMPTY Sensor, the left and right of the three LEDs are  
on.  
Paper Empty Sensor ON/OFF  
1st LED ON/OFF  
08  
Feed & Exit Sensor Test  
Test the Feed sensor and Discharge sensor in the same way as '07'.  
Feed Sensor ON/OFF  
Exit Sensor ON/OFF  
2nd LED ON/OFF  
3rd LED ON/OFF  
09  
10  
Cover Open Sensor Test  
Test the Cover Open Sensor in th same way as code '07’  
Cover Open Sensor ON/OFF1st LED ON/OFF  
Fuser Test  
If the [Enter] button pressed, the right LED is on and temperature of the fuser is up to  
READY Mode. If the [Up] button pressed, the middle LED is on and temperature of the  
fuser is up to Printing Mode.  
If you press the button once more, the left LED is on and temperature of the fuser is up to  
overheat Mode.  
11  
Hot Burn Test  
If the [enter] button pressed, the printer is continuously printing without detection.  
Turn the power off to stop operation.  
12  
13  
Cleaning Mode Print Mode  
Print the paper to clean the OPC Drum in the Cartridge.  
THV(+) TRIGGER. ALL HV :  
All high voltage output by each HV terminal and LSU and the fan is in operation. In this  
mode, electronic resistance of transfer roller and high voltage is detected.  
14  
15  
16  
17  
PTL Test : (ML-1610 : not design)  
Indicates the function of the PTL, same method of the code ‘07’.  
Fan Test :  
Indicates the function of the Fan, same method of the code ‘07’.  
Manual Pickup Test :  
Indicates the function of th Manual Pickup, same method of the code ‘07’.  
Manual Sensor Test :  
Indicates the function of the Manual Sensor, same method of the code ‘07’.  
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Alignment and Adjustments  
No.  
Function  
Enter  
Up/ Dow n  
Stop  
Remark  
00  
01  
02  
Motor Run  
Mhv On  
Motor Stop  
Mhv Off  
Motor  
MHV  
-1300V  
-1000V  
Thv Negative On  
Thv Negative Off  
THV(-)  
03  
04  
Thv On  
Dev On  
Thv Off  
Dev Of f  
+1300V  
-350V  
THV(+)  
DEV  
Supply  
0 : -550V  
DEV  
0 : -350V  
020mV  
05  
06  
07  
LSU Run  
LSU Stop  
Pickup Off  
LSU  
On  
Off  
Ready  
Pickup On  
Pic kUp  
PEmpty  
Paper Empty  
Cover Open  
08  
09  
Sensor  
Cover  
Ex it  
Feed  
10  
11  
12  
Fuser On  
HotB urn O n  
Clean Printing  
Fuser Off  
Fuser  
HotBurn  
Clean Print  
Thv  
Reference  
PTL  
13  
low  
adequate  
high  
14  
15  
PTL On  
Fan On  
PTL Off  
Fan Off  
PTL  
FAN  
Manual  
Pic kUp  
Manual  
Sensor  
16  
17  
Manua l Pickup On  
Manual Pickup Off  
Manua l Sensor  
4.6.4 Self Test Button  
If the Self-Test button pressed, vertical lines are printed.  
Turn the power on while pressing this button, '89' shows in the DCU and the printer is warming up. After warming-  
up the printer is in READY Mode, and '88' shows in the DCU. In this mode, without any detection, the printer begins  
printing(trial printing and data from the PC). It is convenient to use this mode when the engine malfunction is  
detected in the control board.  
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Alignment and Adjustments  
4.7 Paper Path  
BIN PATH  
❶SMPS  
❷Fuser  
❸Toner Cartridge  
❺Exit Roller  
❹LSU  
❻OPC  
❼Pick-Up Roller  
❾KNOCK-UP PLATE DOWN  
Feed Sensor  
❽KNOCK-UP PLATE  
❿ASS’Y HOLDER PAD  
MAIN PBA  
SMPS  
HVPS  
1) After taking order, the printer feeds the printing paper from the cassette or manual feeder.  
2) The fad paper passes the paper feeding sensor. (Jam 0 occurs if the sensor is not operated after certain time  
passes)  
3) The paper passed the paper feeding sensor moves to the paper exit sensor via printing process. (Jam 1 occurs  
if the sensor is not operated after certain time passes)  
4) The paper passed the paper exit sensor moves out from the set. (Jam 2 occurs sometime after if the tailing edge  
of the paper is not coming out from the set after the leading edge of paper passes the paper exit sensor.)  
BIN PATH  
BIN PATH  
BIN PATH  
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Alignment and Adjustments  
4.7.1 Clearing Paper Jams  
Occasionally, paper can be jammed during a print job. Some of causes include:  
• The tray is overfilled.  
• The front cover has been opened during a print job.  
• Paper that does not meet paper specifications has been used.  
• Paper that is outside of the supported size range has been  
If a paper jam occurs, the On Line/Error LED on the control panel lights red. Find and remove the jammed paper.  
If it is invisible, look inside the printer.  
4.7.2 In the Paper Exit Area  
1. If the paper jams as it exits to the output tray and a long portion of the paper is visible, pull the paper straight out.  
When you pull the jammed paper, if there is resistance and the paper does not move immediately, stop pulling.  
Continue with the next step.  
2. Open the top cover and the inner cover.  
Heat roller  
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Alignment and Adjustments  
3. Loosen the paper if it is caught in the heat rollers. Then pull the paper gently out.  
4. Close the inner cover and the top cover.  
5. Open and close the front cover. Printing can be resumed.  
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Alignment and Adjustments  
4.7.3 In the Paper Feed Area  
1. Remove any missfeed paper by pulling it out by the visible edge from the tray. Make sure that all of the paper is  
properly aligned in the tray.  
2. Open and close the front cover. Printing can be resumed.  
4.7.4 Around the Toner Cartridge  
1. Open the front cover.  
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Alignment and Adjustments  
2. Pull the toner cartridge out and remove it from the printer.  
3. Gently pull the paper toward you.  
4. Check that there is no other paper in the printer.  
5. Reinstall the toner cartridge, and then close the cover. Printing can be resumed.  
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Alignment and Adjustments  
4.7.5 Tips for Avoiding Paper Jams  
By selecting the correct paper types, most paper jams can be avoided.  
• Ensure that the adjustable guides are positioned correctly.  
• Do not overload the tray.  
• Do not remove the paper from the tray while printing.  
• Flex, fan and straighten the paper before loading.  
• Do not use creased, damp or highly curled paper.  
• Do not mix paper types in the input tray.  
• Use only recommended print media.  
• Ensure that the recommended print side is facing up when loading paper into the input tray.  
4.7.6 Solving Print Quality Problems  
Print Quality Checklist  
Print quality problems can be resolved by following the checklist below.  
• Redistribute toner in the toner cartridge  
• Clean the inside of the printer  
• Adjust the print resolution from the printer properties  
• Ensure that the Toner Save mode is off  
• Clear general printing problems  
• Install a new toner cartridge, and check the print quality  
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Disassembly and Reassembly  
5. Disassembly and Reassembly  
5.1 General Precautions on Disassembly  
5
When you disassemble and reassemble components, you must use extreme caution. The close proximity of cables to mov-  
ing parts makes proper routing a must.  
If components are removed, any cables disturbed by the procedure must be restored as close as possible to their original  
positions. Before removing any component from the machine, note the cable routing that will be affected.  
Whenever servicing the machine, you  
must perform as follows:  
Releasing Plastic Latches  
Many of the parts are held in place with plastic latches.  
The latches break easily; release them carefully.  
To remove such parts, press the hook end of the latch  
away from the part to which it is latched.  
1. Check to verify that documents are not stored in mem-  
ory.  
2. Be sure to remove the toner cartridge before you dis-  
assemble parts.  
3. Unplug the power cord.  
4. Use a flat and clean surface.  
5. Replace only with authorized components.  
6. Do not force plastic-material components.  
7. Make sure all components are in their proper position.  
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Disassembly and Reassembly  
5.2 Disassembly and Reassembly  
5.2.1 Front Cover  
1. Open the front cover.(The front cover and the cassette  
tray are assembled with the same assembly.)  
2. Separate the cover from the lock of the frame by  
pulling the right bottom of the cover toward the arrow  
direction. Pull out the front cover to the left as shown  
as below.  
1
2
Cassette Tray  
Front Cover  
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Disassembly and Reassembly  
5.2.2 MP Tray  
1. Open the front cover.  
3. Hold the MP Tray and pull it to the arrow direction.  
MP Tray  
2. Release the Toner Cartridge.  
Toner Cartridge  
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Disassembly and Reassembly  
5.2.3 Cassette Tray  
1.For separating only cassette tray,open the tray.  
2. Hold the set and lift up the hook on the left bottom  
toward the arrow direction.Separate the cassette tray  
by pulling it out to the left as shown as below.  
1
2
Cassette Tray  
5.2.4 SMPS Cover  
1. Release two screws.  
2. Separate the lock by holding the left side of the cover  
and pulling it toward the arrow direction. Remove it  
with carefulness that the power switch is not hooked  
on SMPS cover as shown as below.  
(Screw x2:Silver_M3,6003-000196)  
1
SMPS Cover  
2
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Disassembly and Reassembly  
5.2.5 Main Cover  
1. Before Disassembling.  
4. Separate it by holding the both sides of the main  
cover and carefully lifting it up.  
-Separate the font cover.(Refer to 5.2)  
-Separate the SMPS cover.(Refer to 5.3)  
Main Cover  
2. Release 4 screws as shown as below.  
(Screw x 4 : Silver_M3,6003-000196)  
3. Hold the both ends of the cover and pull it up bit by bit  
toward the arrow direction as shown as below.  
5. If necessary,remove the jam cover.Open the cover,  
take out the hook on the right toward the arrow direc-  
tion, and then take out the jam cover to the right side.  
Jam Cover  
2
1
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Disassembly and Reassembly  
5.2.6 Top Cover  
1. Before Disassembling.  
3. Unscrew 2 screws from the separated top cover as  
shown as below,and then separate the LED Lens  
from the On-Line key.  
-Separate the font cover.(Refer to 5.2)  
-Separate the SMPS cover.(Refer to 5.3)  
-Separate the Main cover.(Refer to 5.4)  
(Screw x 1:Silver_M3,6003-000196)  
2. For separating the LED lens and the On-Line key,  
release the 5 screws connected to the main cover,  
and then 4 locks on the front and rear of the top cover  
by using a screw driver.Remove the top cover from  
the main cover.  
(Screw x 5:Silver_M3,6003-000196)  
Top Cover  
On-Line Key  
LED Lens  
Main Cover  
2
1
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Disassembly and Reassembly  
5.2.7 HVPS  
1. Before Disassembling.  
3. Separate the HVPS with HVPS ground from the  
frame by releasing the remaining 3 screws.  
(Screw x 3:Gold_M3,6003-000269)  
-Separate the font cover.(Refer to 5.2)  
-Separate the SMPS cover.(Refer to 5.3)  
-Separate the Main cover.(Refer to 5.4)  
2. Remove the sheet by releasing the 5 screws which  
connects the HVPS and the Sheet.  
(Screw x 3:Gold_M3,6003-000269)  
HVPS Ground  
HVPS  
HVPS Sheet  
4. Remove the connector from the separated HVPS.  
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Disassembly and Reassembly  
5.2.8 RX Drive  
1. Before Disassembling  
4. After removing the RX drive,RDCN Gear, OPC Gear,  
Fuser Gear, and Feed Gear can be removed from the  
frame.  
-Separate the font cover.(Refer to 5.2)  
-Separate the SMPS cover.(Refer to 5.3)  
-Separate the Main cover.(Refer to 5.4)  
RDCN Gear  
Fuser Gear  
2. Release 2 screws (Screw x 2:Silver_M3, 6001-  
000130) connected to the engine shield and 6 screws  
(Screw x 6: Gold_M3,6003-000296)connected to the  
frame. Separate the RX drive by pulling it out toward  
the arrow direction.  
OPC Gear  
Feed Gear  
5. When separating the motor,remove the motor bracket  
first by removing 4 screws as shown as below, and  
then remove the 2 screws from the motor bracket.  
3. Remove the connector from the separated RX drive.  
Gear Bracket  
RX Drive  
RX Motor  
Motor Bracket  
Note:  
Please, be careful not to touch the protruding 4 screws at the out-  
side of the RX drive.  
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Disassembly and Reassembly  
5.2.9 Fuser  
1. Before Disassembling  
4. After removing the Lamp Cover L/R, separate the  
Fuser Dummy cover.  
-Separate the font cover.(Refer to 5.2)  
-Separate the SMPS cover.(Refer to 5.3)  
-Separate the Main cover.(Refer to 5.4)  
Lamp Cover_R  
Fuser Dummy Cover  
2. Separate 2 connectors from the SMPS and the Main  
PBA as shown as below.  
Lamp Cover_L  
Thermister  
Fuser  
5. Separate the Exit roller F/Down and the exit gear  
(DRV17)by turning the left/right holder connected to  
the exit roller F/Down to the arrow direction.At this  
time,roller_main,roller_FR, F/Down Holder,and spring  
are separated with theses.  
Exit Gear  
Exit Roller F/Down  
Roller_FR  
3. Separate the fuser by unscrewing 4 screws on the  
frame. (Screw x 4:Gold_M3,6003-000269)  
Holder  
Roller_Main  
F/Down Holder  
Fuser  
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Disassembly and Reassembly  
6. Remove the thermo cap by releasing 2 screws as  
shown as below.  
(Screw x 2:Black_M3,6003-000282)  
9. After separating the CBF harness connected to the  
left/right side of the halogen lamp, release 2 screws  
from the halogen lamp.  
(Screw x 2:Black_M3,6003-000196)  
Thermo Cap  
7. After pulling out the thermostat as shown as below,  
remove the CBF harness from its left/right side.  
10. Separate the Cover-M by releasing 2 screws as  
shown as below.  
(Screw x 2 : Black_M3, 6003-000196)  
Thermostat  
Cover-M  
8. Release the screw as shown as below, remove the  
harness from the cover, and then pull out the thermistor.  
(Screw x 1:Black_M3,6003-000196)  
11. Remove the halogen lamp from the heat roller by  
pulling it out to the arrow direction.  
Heat Roller  
Thermistor  
Halogen Lamp  
Note : Under the condition that the fuser is connected to the frame,the exit roller F/Down can be  
separated.However,be careful that the Roller_Main,the Roller_FR,and F/Down Holder could get into the  
inner frame due to the spring’ action.  
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Disassembly and Reassembly  
5.2.10 Engine Shield (Including Main PBA and SMPS)  
1. Before Disassembling  
4. For removing only SMPS, perform the follows in order  
: separate the SMPS cover (Refer to the 5.3), release  
5 screws, separate the fuser connector and the main  
PBA connector, and then take out the SMPS.  
(Screw x 5 : Gold_M3, 6003-000269)  
-Separate the font cover.(Refer to 5.2)  
-Separate the SMPS cover.(Refer to 5.3)  
-Separate the Main cover.(Refer to 5.4)  
2. Disconnect all connectors except the connector which  
connects the SMPS to the Main PBA.  
Mirco S/W  
Thermister  
Clutch  
Motor  
HVPS  
LSU  
SMPS  
Fuser  
5. For removing only Main PBA, perform the follows in  
order : separate the SMPS cover (Refer to the 5.3),  
release 3 screws, separate the main PBA connector,  
and then take out the main PBA.  
3. Release 6 screws as shown as below, separate the  
harnesses from the shield,and then separate the  
engine shield with carefulness of the actuator feed  
sensor lever. (Screw x 6:Silver_M3,6003-000196)  
(Screw x 3 : Gold_M3, 6003-000269)  
Main PBA  
Engine Shield  
(W/Main PBA, SMPS)  
Actuator Feed Sensor Lever  
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Disassembly and Reassembly  
5.2.11 LSU  
1. Before Disassembling  
2. Release 3 screws as shown as below, lift up the LSU,  
and then disconnect 2 connectors from the separated  
LSU. (Screw x 2:Silver_M3,6003-000196)  
-Separate the font cover.(Refer to 5.2)  
-Separate the SMPS cover.(Refer to 5.3)  
-Separate the Main cover.(Refer to 5.4)  
LSU  
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Disassembly and Reassembly  
5.2.12 Paper Path Frame  
1. Before Disassembling  
3. After releasing the 2 hooks from the right side of the  
frame,take out the transfer roller.  
(Screw x 2:Silver-M3,6003-000196)  
-Separate the font cover.(Refer to 5.2)  
-Separate the SMPS cover.(Refer to 5.3)  
-Separate the Main cover.(Refer to 5.4)  
-Separate the Fuser.(Refer to 5.8)  
-Separate the Engine shield.(Refer to 5.9)  
1
2. After releasing 4 screws as shown as below, take it  
out toward the arrow direction with carefulness of  
ground and harnesses.  
2
Bush  
(Screw x 4:Silver_M3,6003-000196)  
Transfer Roller  
Bush(L)  
4. Remove the solenoid-MP by releasing the screw from  
the left side of the frame.  
(Screw x 1:Gold_M3,6003-000301)  
Paper Path Frame  
Mirco S/W  
Solenoid-MP  
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Disassembly and Reassembly  
5.2.13 Pick_Up Roller  
1. For separating the pick-up roller sponge, open the  
front cover, and then take out the toner cartridge.  
2. While pressing the hooks on the left/right side of the  
pick-up housing B, pull out the pick-up housing U as  
shown as below.Then,replace the sponge.  
1
Housing B  
Toner Cartridge  
2
Sponge  
Housing U  
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Troubleshooting  
6. Troubleshooting  
6
6.1 Checking Symptoms  
Before attempting to repair the printer first obtain a detailed description of the problem from the customer.  
Power On  
- No Power  
On-Line LED  
- Power Module error  
ON?  
- Main PBA  
Indicate  
"Lamp toggle"  
On-Line LED  
Green OK?  
Refer to  
"Chapter 4.4"  
Print(test pattern)  
printing  
Quality is  
Nomal?  
Refer to "Solution  
of Image Problem"  
END  
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Troubleshooting  
6.1.1 Basic Check List  
1. Check the Power.  
• Does "Warming Up" appear on the display?  
--> If not check power cable, switch or SMPS.  
--> Does the wall socket work?  
• Do the Motors or other components initialize (listen for main motor, fan and LSU sounds)?  
--> If not or there are none of the normal startup sounds check cable, switch or SMPS.  
--> Does the wall socket work?  
2. Check the LED of Panel.  
• Is there On-Line LED ON?  
--> If not check power cable, switch SMPS or Main board.  
--> Does the wall socket work?  
• Is the abnormal Lamp?  
--> Check the main PBA and cable harness.  
3. Check the Paper Path  
• Is there a Paper Jam?  
--> Remove any paper fragments caught in the paper path.  
• Paper Jam occurs repeatedly at a specific point in the Paper Path  
--> Open the fuser cover, Jam clear.  
--> Dismantle the machine and carefully inspect the region where the jam occurs.  
(Especially, check if paper fragments are caught in the Fuser  
4. Print the Information Page (Configuration).  
• Try printing a test page from a computer.  
--> If there is an error check cables and driver installation.  
5. Check the Print Quality.  
•Is there are a Print Quality Problem?  
--> Refer to section 6.5 (Page 6-17).  
6. Check consumables (toner etc.).  
•Using the keys print the Test Pattern.  
--> Expected life of various consumable parts, compare this with the figures printed and replace as required  
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Troubleshooting  
6.1.2 Initial Inspection  
1. Check Power part  
1. The printer does not work no matter how long you wait.  
A. Is the Power Switch (printer and wall socket) turned on ?  
B. Is the Power Cord connected to the printer correctly ?  
C. Is the Power cord connected to the wall socket correctly ?  
D. Is wall socket working ?  
E. Is the unit rated at the same voltage as the supply ?  
2. Does the Fan work when power is turned on?  
A. Check the connectors on the SMPS.  
B. Check the fuses in the SMPS.(F1)  
2. Check the Installation Environment.  
1. Ensure the installation surface is flat, level and free from vibration.  
If necessary move the printer.  
2. Ensure that the temperature and humidity of the surroundings are within specification  
If necessary move the printer.  
3. Ensure that the printer is position away from any air conditioning or other heating or cooling equipment. Also ensure  
that is not positioned in a direct draft from any air conditioning, fan or open window.  
If necessary move the printer.  
4. Ensure the printer is not positioned in direct sunlight.  
If it is unavoidable use a curtain to shade the printer.  
5. Ensure the printer is installed in a clean dust free environment.  
Move the printer to clean area if necessary.  
6. Some industrial or cleaning processes give of fumes which can affect the printer.  
Move the printer away from this type of air pollution  
3. Check paper type.  
1. Use only paper which is of a suitable quality, weight and size?  
See the user guide.  
4. Check the overall condition of the printer  
1. Is the printer properly maintained ?  
Clean the Paper Transport Passages.  
Any rollers with dirt surfaces should be cleaned or replaced.  
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Troubleshooting  
6.2 Bad discharge  
6.2.1 Wrong Print Position  
• Description  
Printing begins at wrong position on the paper.  
Check and Cause  
Solution  
Wrong sense time caused by defective feed sensor  
actuator.  
Replace the defective actuator  
6.2.2 JAM 0  
• Description  
1. Paper is not exited from the cassette.  
2. Jam-0 occurs if the paper feeds into the printer.  
BIN PATH  
Check and Cause  
Solution  
1. Check the Solenoid by using DCU diagnostic mode  
06.  
1. Replace the solenoid.  
2. Check if the pad is loose due to bad sealing of the  
side-pad.  
2. Replace the side-pad Assembly L or R, if necessary.  
3. Check the surface of the roller-pickup for foreign mat-  
ter.  
3. Clean with soft cloth dampened with IPA(Isopropyl  
Alcohol) or water.  
4. If the paper feeds into the printer rand Jam 0 occurs,  
perform DCU to check feed-sensor of the engine  
board.  
4. Replace the SMPS, HVPS or Sensor.  
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Troubleshooting  
6.2.3 JAM 1  
• Description  
1. Recording paper is jammed in front of or inside the fuser.  
2. Recording paper is stuck in the discharge roller and in the  
fuser just after passing through the Actuator-Feed.  
BIN PATH  
Check and Cause  
Solution  
1. If the recording paper is jammed in front of or inside  
the fuser. (Perform DCU diagnostic code 08)  
1. Replace the SMPS.  
2. If the recording paper is stuck in the discharge roller  
and the fuser just after passing through the Actuator-  
Feed, Feed Actuator may be defective.  
2. Reassemble the Actuator-Feed and Spring-Actuator  
if the returning is bad.  
6.2.4 JAM 2  
• Description  
1. Recording paper is jammed in front of or inside the fuser.  
2. Recording paper is stuck in the discharge roller and in the  
fuser just after passing through the Actuator-Feed.  
BIN PATH  
Check and Cause  
Solution  
1. If the paper is completely fed out of the printer, but Jam  
2 occurs : Exit sensor is defective.  
1. Check if the exit sensor actuator is defective.  
• Check if the actuator exit is unformed (Check if the  
lever part is unformed in shape).  
• After the paper is completely discharged, actuator  
Exit should return to the original position to shut the  
photo-sensor. Sometimes it takes longer hour than it  
should and does not return.  
• Check whether burrs occur in the assembly part of  
the actuator exit or not and if the actuator is  
smoothly operated.  
• Check if foreign matters and wire get caught in the  
actuator exit's operation.  
2. If the paper is rolled in the Fuser Roller:  
• This occurs when a Guide claw is broken away or  
transformed.  
2. If the paper is stuck in the fuser : disassemble the  
fuser and remove the jammed paper, and clean the  
surface of the pressure roller with dry gauze.  
• It occurs when the Spring of a Guide claw is broken  
away or transformed.  
• It occurs when the Heat-Roller or Pressure-Roller is  
seriously contaminated with the toner.  
3. Paper is accordion in the fuser.  
3. Remove the jammed paper after disassembling the  
fuser : Clean the surface of the pressure roller with  
dry gauze.  
• Remove the toner particles stained on the rib.  
• Check the assemblage and performance of the exit.  
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Troubleshooting  
6.2.5 Multi-Feeding  
• Description  
Multiple sheets of paper are fed at once.  
Check and Cause  
Solution  
1. Solenoid malfunction(the solenoid does not work  
properly): Perform DCU Diagnostic Code 06.  
1. Replace the solenoid if necessary.  
2. Pad-Friction is contaminated with foreign matter.(oil...)  
3. The face of paper is blended.  
2. Clean the pad friction with soft clothe dampened  
with IPA(Isopropyl Alcohol).  
3. Use the smooth paper.  
6.2.6 Paper rolled in the Fuser  
• Description  
If contaminated at intervals of 57mm on the back of a paper.  
Check and Cause  
Solution  
1. Contamination of the pressure roller or heat  
roller (Background, Hot off set).  
1. After disassembling the fuser, clean contami-  
nation between the heat roller and the ther-  
mostor and remove the contamination of the  
pressure roller.  
2. Check the claw of the fuser whether it is unfit-  
ted.  
2. If there is heavy background, repair it by the  
background troubleshooting method.  
3. The surface of the heat roller with IPA or  
water  
4. Check the warp or separation of the sprint  
claw and the holder plate claw, and then man-  
age it.  
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Troubleshooting  
6.2.7 Paper rolled in the Toner Cartridge (OPC Drum)  
• Description  
Paper is rolled up in the OPC.  
Check and Cause  
Solution  
1. Paper is too much thin.  
1. Recommend to use normal paper.  
2. The face of paper is curled.  
2. How to remove the rolled in the OPC Drum.  
• Remove the paper while turning the OPC  
Drum against the ongoing direction.  
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Troubleshooting  
6.3 Malfunction  
6.3.1 All LEDs blinking (Fuser Error)  
1. All the lamps on the operator panel blink.  
2. Gear of the fuser does not work and breaks away melt away.  
• Description  
When printing, motor breaks away from its place due to defective fuser gear.  
Check and Cause  
Solution  
1. Check if the thermostat, AC wire and Heat Lamp is  
open.  
1. If the thermostat is open replace the fuser and  
check following items.  
2. Check if the thermistor sensor is in place.  
2. If the thermistor sensor device is located deep in the  
sponge, replace the fuser.  
3. Check if the heat lamp works properly.  
3. Check if the circuit of overheat mode works properly.  
4. Run DCU mode : Perform DCU diagnostic code 10.  
5. Replace Fuser.  
4. Check if the overheat circuit works properly.  
5. The fuser gear is defective due to melting away.  
6.3.2 All LEDs blinking (Scan Error)  
• Description  
1. All lamps on the operator panel blink.  
Check and Cause  
Solution  
DCU Mode : Perform DCU diagnostic code 05. If the DCU  
error code 95 is displayed, replace LSU.  
Replace LSU.  
If you cannot solve the problem after you replace LSU,  
replace the main board.  
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Troubleshooting  
6.3.3 Not function of the gear of the fuser due to melting away  
• Description  
The motor breaks away from its place due to gear melting away.  
Check and Cause  
Solution  
DCU Mode : Check if the Error States '60' '62' '68' occur.  
Check the operation of Fuser Erasing Lamp  
On/Off with the Error Code Check -10-.  
1. Replace the Fuser.  
2. Replace the Main Control board.  
6.3.4 Paper Empty  
• Description  
The paper lamp on the operator panel is on even when paper is loaded in the cassette.  
Check and Cause  
Solution  
1. Bending or deformation of the actuator of the paper sen-  
sor.  
1. Replace the defective actuator.  
2. The function of the engine board is defective Perform  
DCU mode : Perform DCU diagnostic code 8.  
2. Replace the engine board.  
6.3.5 Paper Empty without indication  
• Description  
The paper lamp on the operator panel does not come on when the paper cassette is empty.  
Check and Cause  
Solution  
1. Bending or deformation of the actuator of the paper sen-  
sor.  
1. Replace the defective actuator.  
2. The function of the engine board is defective Perform.  
DCU mode : Perform DCU diagnostic code 8.  
2. Replace the engine board.  
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Troubleshooting  
6.3.6 Cover Open  
• Description  
The ERROR lamp is on even when the print cover is closed.  
Check and Cause  
Solution  
1. The Hook Lever in the top cover may be defective.  
1. Replace the hook lever, if defective.  
2. Check the insertion of the Cover Open S/W  
Connect.  
3. Replace the Main Control board or Cover Open  
S/W.  
2. Check the connector (Engine B’d↔ HVPS) and circuit of  
the cover switch department in the Main Control board.  
Perform DCU mode : If Error state '64' occurs, Check the  
related codes of the Cover Open Error.  
6.3.7 No lamp on when the cover is open  
• Description  
The ERROR lamp does not come on even when the printer cover is open  
Check and Cause  
Solution  
1. Check the connector and circuit of the cover switch  
department in the Main Control board. Perform DCU  
mode : If Error state '64' occurs, Check the related codes  
of the Cover Open Error  
1. Check the insertion of the Cover Open S/W  
Connect.  
2. Replace the Main Control board or Cover Open  
S/W.  
Service Manual  
6-10  
Samsung Electronics  
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Troubleshooting  
6.3.8 Defective motor operation  
• Description  
Main motor is not driving when printing, and paper does not feed into the printer, resulting 'Jam 0'.  
Check and Cause  
Solution  
1. Motor harness or sub PCB may be defective.  
1. Check the motor harness, replace it, if defective.  
2. Perform DCU diagnostic code 00 and Check the motor  
operation.  
2. Replace the SMPS, if necessary.  
6.3.9 No Power  
• Description  
When system power is turned on, all lamps on the operator panel do not come on.  
Check and Cause  
Solution  
1. Check if the power input and SMPS output are normal.  
1. Replace the power supply cord or SMPS.  
2. Check the inferiority of LED-Panel on the front-cover if  
the LED of Panel does not appear after normal warming-  
up.  
2. Replace the control board.  
3. Replace the LED-panel.  
Service Manual  
6-11  
Samsung Electronics  
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Troubleshooting  
6.3.10 Vertical Line Getting Curved  
• Description  
When printing, vertical line gets curved.  
Check and Cause  
Solution  
1. If the supply of +24v is unstable in the Main Control board  
linking with LSU, check drive by DCU Mode : LSU Check  
-05- LSU Motor on.  
1. Replace LSU.  
2. Replace the Main Control board.  
Service Manual  
6-12  
Samsung Electronics  
Download from Www.Somanuals.com. All Manuals Search And Download.  
Troubleshooting  
6.4 Bad Software Environment  
6.4.1 The printer is not working (1)  
• Description  
While Power turned on, the printer is not working in the printing mode.  
Check and Cause  
Solution  
1. Run Self-Test Mode : Turn the power on while pressing  
the test printing button for 2 or 3 seconds before printing  
works.  
1.Check the power of the printer and perform the Self-  
Test. If the test printing works, that means no prob-  
lems in the printer itself. If the test printing does not  
work, that means bad functioning of the printer(not  
because of software). Perform DCU to check the  
Error Status.  
2. Check if the PC and the printer is properly connected  
and the toner cartridge installed.  
2. Replace the printer cable. If the problems not solved  
even after the cable replaced, check the amount of  
the remaining tone.  
3. Printing is nor working in the Windows.  
3. Check if the connection between PC and printer port  
is proper. If you use windows, check if the printer dri-  
ver in the controller is set up. If the printer driver is  
properly set up, check in which program the printing  
is not working. The best way to find out is to open the  
memo pad to check the function of printing. If it is not  
working in a certain program, adjust the setup the  
program requires. Sometimes, the printout is normal  
within the Windows basic programs, but it's not work-  
ing in a particular program. In such case, install the  
new driver again. If not working in the Windows basic  
program, Check the setup of the port of CMOS is on  
ECP. And check the address of IRQ 7 and 378  
4. If the scanner needs to be connected to the printer,  
first the remove the scanner from the PC to see if the  
printer is properly working alone.  
4. Check if the printer cable is directly connected to periph-  
eral devices  
Service Manual  
6-13  
Samsung Electronics  
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Troubleshooting  
6.4.2 The printer is not working (2)  
After receiving the printing order, no response at all or the low speed of printing  
occurs due to wrong setup of the environment rather than malfunction of the printer itself.  
• Description  
Check and Cause  
Solution  
1. Secure more space of the hard disk.  
1. Not working with the message 'insufficient printer  
memory' means hard disk space problem rather than  
the RAM problem. In this case, provide more space  
for the hard disk. Secure more space using the disk  
utilities program.  
2. Printing error occurs even if there is enough space in  
the hard disk.  
2. The connection of the cable and printer port is not  
proper. Check if the connection is properly done and  
if the parallel port in CMOS is rightly set up.  
3. Check the parallel-port-related items in the CMOS  
Setup.  
3. As a printer port, Select ECP or SPP among  
SPP(Normal), ECP, and EPP modes(increase print-  
ing speed) SPP normal mode support 8-bit data  
transfer, while ECP Mode transfer the 12-bit data.  
4. Reboot the system to print.  
4. If the regular font is not printing, the cable or the  
printer driver may be defective.  
Turn the PC and printer off, and reboot the system  
to print again. If not solved, double-click the printer in  
my computer If the regular fonts are not printed this  
time again. the cable must be defective so replace  
the cable with new one.  
Service Manual  
6-14  
Samsung Electronics  
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Troubleshooting  
6.4.3 Abnormal Printing  
The printing is not working properly even when the cable has no problem.  
(even after the cable is replaced)  
If the printer won't work at all or the strange fonts are repeated, the printer driver may be defec-  
tive or wrong setup in the CMOS Setup.  
• Description  
Check and Cause  
Solution  
1. Set up the parallel port in the CMOS SETUP.  
1. Select SPP(Normal) or ECP LPT Port the among  
ECP, EPP or SPP in the CMOS Setup.  
2. Printer Driver Error.  
2. Check the printer in My Computer.(to see if the  
printer driver is compatible to the present driver or  
delete the old driver, if defective and reinstall the new  
driver)  
3. Error message from insufficient memory.  
(The printing job sometimes stops or due to insufficient  
virtual memory, but it actually comes from the insuffi-  
cient space of the hard disk.)  
3. Delete the unnecessary files to secure enough  
space of the hard disk and start printing job again.  
Service Manual  
6-15  
Samsung Electronics  
Download from Www.Somanuals.com. All Manuals Search And Download.  
Troubleshooting  
6.4.4 SPOOL Error  
To spool which stands for "simultaneous peripheral operations online" a computer document or  
task list (or "job") is to read it in and store it, usually on a hard disk or larger storage medium so  
that it can be printed or otherwise processed at a more convenient time (for example, when a  
printer is finished printing its current document).  
• Description  
Check and Cause  
Solution  
1. Insufficient space of the hard disk in the directory  
assigned for the basic spool.  
1. Delete the unnecessary files to provide more space  
to start printing job.  
2. If the previous printing error not solved.  
2. If there are some files with the extension name of  
****.jnl, Delete them and Reboot the Windows to  
restart printing job.  
3. When expected to collide with other program.  
3. Shut down all other programs except the current  
one, if possible.  
4. When an application program or the printer driver is  
damaged.  
4. Delete the printer driver completely and reinstall it.  
5. When some files related to OS are damaged or virus  
infected.  
5 After rebooting the computer, check for viruses,  
restore the damaged files and reinstall the program  
to do the printing job.  
6. Memory is less than suggested one.  
6. Add up enough memory to the PC.  
How to delete the data in the spool manager.  
In the spool manager, the installed drivers and the list of the documents waiting to be printed are shown.  
Select the document to be deleted and check the delete menu.  
If you intend to delete the current document being printed, the data being transferred to the printer will be put  
out and then the document is removed. Before choosing the document, the menu is still inactive.  
Or put the document out of the list and repeat the routine as in the above or finish the spool manager.  
Service Manual  
6-16  
Samsung Electronics  
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Troubleshooting  
6.5 Bad image  
6.5.1 Vertical Black Line and Band  
1. Straight thin black vertical line occurs in the printing.  
2. Dark black vertical band occur in the printing.  
• Description  
Check and Cause  
Solution  
Digital Printer  
Digital Printer  
Digital Printer  
Digital Printer  
Digital Printer  
1. Damaged develop roller in the Developer.  
Deformed Doctor-blade or cleaning-  
blade.  
1. If causes 1 and 2 occur in the developer  
cartridge, replace the developer and try to  
print out.  
2. Scratched surface of the discharge roller  
in the developer.  
2. Replace the transfer roller if occurred as  
No. 3.  
3. Partly depression or deformation on the  
surface of the transfer roller.  
6.5.2 Vertical White Line  
• Description  
White vertical voids in the image.  
Check and Cause  
Solution  
Digital Printer  
Digital Printer  
Digital Printer  
Digital Printer  
Digital Printer  
1. Foreign matter stuck onto the window of  
internal lenses of LSU mirror.  
1. Foreign matter stuck onto the window :  
Clean the LSU window with recommend-  
ed cleaner(IPA) Clean the window with a  
clean cotton swab.  
2. Foreign matter or toner particles between  
the developer roller and blade.  
2. Foreign matter in the LSU : Open the  
cover of LSU and clean with a cotton  
swab on the surface of the reflex mirror.  
(In case the life of the developer has  
been expired, white lines or light image  
occur in front of the image.)  
3. It may occur when Burr and foreign sub-  
stances are on the window of the devel-  
oper frame.  
3. No 3. : Remove the foreign matter and  
burr of the exposure window.  
(Developer cartridge)  
4. If the fuser is defective, voids occur peri-  
odically at the top of a black image.  
4. No. 4. : Open the front cover and check  
ribs that corresponds to the position of  
the voids. Remove if found.  
5. If the problems are not solved, replace  
the developer cartridge.  
Service Manual  
6-17  
Samsung Electronics  
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Troubleshooting  
6.5.3 Horizontal Black Band  
1. Dark or blurry horizontal stripes occur in the printing periodically.  
(They may not occur periodically.)  
• Description  
Check and Cause  
Solution  
Digital Printer  
Digital Printer  
Digital Printer  
Digital Printer  
Digital Printer  
1. Bad contacts of the voltage terminals to  
developer.  
1. Clean each voltage terminal of the Charge,  
Supply, Develop and Transfer roller.  
(remove the toner particles and paper par-  
ticles)  
2. The rollers of developer may be stained.  
2. Clean the right Gear that has relatively  
small gap of the teeth in the OPC.  
OPC Drum  
Charge Roller  
Supply Roller  
=
=
=
75.5mm  
37.7mm  
47.5mm  
Develop Roller = 35.2mm  
Transfer Roller = 46.2mm  
Heat Roller  
Pressure Roller = 75.4mm  
=
63.9mm  
3. If the malfunction persists, replace the  
developer.  
6.5.4 Black/White Spot  
1. Dark or blurry black spots occur periodically in the printing.  
2. White spots occur periodically in the printing.  
• Description  
Check and Cause  
Solution  
Digital Printer  
Digital Printer  
Digital Printer  
Digital Printer  
Digital Printer  
1. If dark or blurry black spots occur periodi-  
cally, the rollers in the Developer may be  
contaminated with foreign matte or paper  
particles.  
1. Run OPC cleaning Mode Print and run the  
Self-test 2 or 3 times.  
( Charge roller : 37.7 mm interval  
OPC drum : 75.5 mm interval)  
2. If faded areas or voids occur in a black  
image at intervals of 75.5 mm, or black  
spots occur elsewhere, the OPC drum  
surface is damaged.  
2. In case of 75.5 mm interval unremovable in  
1, cleanly remove foreign substances stuck  
on the OPC location equivalent to black  
spots and white spots with a dry duster.  
3. If a black image is partially broken, the  
transfer voltage is abnormal or the trans-  
fer roller's life has expired.  
3. The transfer roller guarantees 50.000  
sheets printing. If the roller's life is expired,  
replace it.  
4. In case of 37.7 mm interval unremovable in  
1, take measures as to replace the develop-  
er cartridge and try to print out.  
5. Clean the inside of the set against the paper  
particles and foreign matter in order not to  
cause the trouble.  
Service Manual  
6-18  
Samsung Electronics  
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Troubleshooting  
6.5.5 Light Image  
• Description  
The printed image is light, with no ghost.  
Check and Cause  
Solution  
Digital Printer  
Digital Printer  
Digital Printer  
Digital Printer  
Digital Printer  
1. Develop roller is stained when the toner  
of developer cartridge is almost con-  
sumed.  
1. Check if the Toner Save mode is off.  
2. Ambient temperature is below than 10°C.  
2. Replace the developer cartridge and try to  
print out.  
3. Bad contact caused by the toner stains  
between the high voltage terminal in the  
HVPS and the one in the set.  
3. Wait 30 minutes after printer is powered on  
before you start printing.  
4. Abnormal output from the HVPS.  
4. Clean up the contaminated area by the  
toner.  
5. Replace the HVPS if the problems are not  
solved by the above four directions.  
6.5.6 Dark Image or a Black  
• Description  
The printed image is dark.  
Check and Cause  
Solution  
1. No charge voltage in the engine board.  
( Perform DCU diagnostic code 01)  
1. Clean the high voltage charge terminal.  
2. Charge voltage is not turned on due to  
the bad contacts between power supply  
in the side of the Developer and charge  
terminal of HVPS.  
2. Check the state of the connector which  
connects the engine board and HVPS.  
3. Replace the HVPS if not solved by the  
above direction 1 and 2.  
Service Manual  
6-19  
Samsung Electronics  
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Troubleshooting  
6.5.7 Uneven Density  
• Description  
Print density is uneven between left and right.  
Check and Cause  
Solution  
1. The pressure force on the left and right  
springs of the transfer roller is not even,  
the springs are damaged, the transfer  
roller is improperly installed, or the trans-  
fer roller bushing or holder is damaged.  
1. Replace both the left and right Spring  
Holder.  
2. The toner level is not even on the devel-  
oper roller due to the bad blade.  
2. Occur in the developer cartridge, replace  
the developer and try to print out.  
6.5.8 Background  
• Description  
Light dark background appears in whole area of the printing.  
Check and Cause  
Solution  
Digital Printer  
Digital Printer  
Digital Printer  
Digital Printer  
Digital Printer  
1. Does character exist less than 2%  
per a page, and hasn’t it been used  
long time?  
1. The toner cartridge is basically  
designed to print 2,000 sheets with  
5% image.  
2. Does recycle paper be used?  
2. The B/S is not guaranteed if using  
recycle paper.  
3. Has the life span of the developer  
ended?  
3. Replace the developer when the life  
span of it has been ended.  
4. Is the movement(Up and Down) of  
the transfer roller smooth?  
4. Clean the bushing part of the transfer  
roller.  
5. Is the HVPS normal?  
5. If the problem is still not solved,  
replace the developer.  
Service Manual  
6-20  
Samsung Electronics  
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Troubleshooting  
6.5.9 Ghost (1)  
• Description  
Ghost occurs at 75.5 mm intervals of the OPC drum in the whole printing.  
Check and Cause  
Solution  
Digital Printer  
Digital Printer  
1. Bad contacts caused by contamination  
from toner particles between high voltage  
terminal in the main body and the elec-  
trode of the Developer.  
1. Clean the terminals when contaminated by  
toner particles.  
Digital Printer  
Digital Printer  
Digital Printer  
Digital Printer  
2. Bad contacts caused by contamination  
from toner particles between high voltage  
terminal in the main body and the one in  
the HVPS board.  
2. Occur in the developer cartridge, replace  
the developer and try to print out.  
3. The life of developer is expired.  
3. Replace the engine board if not solved by  
the above directions 1-2.  
4. Transfer roller lifetime(50.000 sheets) has  
expired.  
4. If not solved by the direction 3, check the  
transfer roller lifetime and replace it.  
5. Abnormal low temperature(below 10°C).  
5. Wait about 1 hour after power on before  
using printer.  
6.5.10 Ghost (2)  
Ghost occurs at 75.5 mm intervals of the OPC drum in the whole printing.  
(When printing on card stock or transparencies using manual feeder)  
• Description  
Check and Cause  
Solution  
Digital Printer  
Digital Printer  
When printing on card stock thicker than nor-  
mal paper or transparencies such as OHP,  
higher transfer voltage is required.  
Select 'Thick Mode' on paper type menu from  
the software application and after using return-  
ing to the original mode is recommended.  
Digital Printer  
Digital Printer  
Digital Printer  
Digital Printer  
Service Manual  
6-21  
Samsung Electronics  
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Troubleshooting  
6.5.11 Ghost (3)  
• Description  
White ghost occurs in the black image printing at 47.5mm intervals.  
Check and Cause  
Solution  
Digital Printer  
Digital Printer  
1. The life of the developer may be expired.  
1. Occur in the developer cartridge, replace  
the developer and try to print out.  
Digital Printer  
Digital Printer  
2. The abnormal voltage and bad contact of  
the terminal of the supply roller  
2. Check the approved voltage of the supply  
roller and contact of the terminal and adjust  
if necessary.  
Digital Printer  
Digital Printer  
6.5.12 Ghost (4)  
• Description  
Ghost occurs at 47.5mm(or 63.9mm) intervals.  
Check and Cause  
Solution  
Digital Printer  
Digital Printer  
The temperature of the fuser is maintained  
high.  
1. Disassemble the fuser and remove the  
contaminated toner particles on the roller  
and clean the foreign matter between  
Thermistor and Heat roller.  
Digital Printer  
Digital Printer  
Digital Printer  
Digital Printer  
(
Caution : can be deformed)  
6.5.13 Stains on the Face of Page  
• Description  
The background on the face of the printed page is stained.  
Check and Cause  
Solution  
Digital Printer  
Digital Printer  
Digital Printer  
Digital Printer  
Digital Printer  
1. Toner leakage due to improperly sealed  
developer.  
1. Replace the developer cartridge.  
2. If the transfer roller is contaminated, stains  
on the face of page will occur.  
2. If the transfer roller is contaminated, run PC  
Cleaning Mode Print 2 or 3 times.  
And perform Self-Test 2 or 3 times to  
remove contamination.  
Service Manual  
6-22  
Samsung Electronics  
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Troubleshooting  
6.5.14 Stains on Back of Page  
• Description  
The back of the page is stained at 47 mm intervals.  
Check and Cause  
Solution  
Digita
Digita
Digital Printer  
Digital Printer  
Digital Printer  
1. Transfer roller is contaminated.  
1. Perform the OPC Cleaning Mode Print 2 or  
3 times. Run Self-Test to remove the conta-  
mination of the transfer roller.  
2. Pressure roller is contaminated.  
2. Replace the transfer roller if contaminated  
severely.  
3. Disassemble the fuser and clean the  
H/R(Heat Roller) and P/R(Pressure roller).  
And check the area between H/R and  
Thermistor. If contaminated, clean the area  
not to be deformed.  
6.5.15 Blank Page Print out (1)  
• Description  
Blank page is printed.  
Check and Cause  
Solution  
Bad ground contacts in OPC and/or devel-  
oper.  
Remove contamination of the terminals of the  
developer and the unit.  
6.5.16 Blank Page Print out (2)  
1. Blank page is printed.  
2. One or several blank pages are printed.  
• Description  
3. When the printer turns on, several blank pages print.  
Check and Cause  
Solution  
1. Bad ground contacts in OPC and/or  
developer.  
1. Remove contamination of the terminals of  
the developer.  
2. Abnormal solenoid.  
2. Perform the engine self test using DCU to check  
if the Solenoid is normal.(refer to code 06)  
3. If not solved by the above directions 1-2,  
Replace the engine board.  
4. Turn the power off, delete the data of PC  
and try printing again.  
Service Manual  
6-23  
Samsung Electronics  
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7. Exploded Views and Parts List (ML-2010/XEV)  
Contents  
7.1 Main Assembly  
7.2 Frame Assembly  
7.3 Fuser Unit  
7.4 Paper Path Assembly  
7.5 MP Tray Assembly  
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7.1 Main Assembly  
0
2-3  
2-5  
2
2-9  
2-6  
24  
2-2  
2-7  
2-1  
2-8  
2-4  
5
9
14  
4
7
12  
11  
6
10  
8
1
18  
23  
15-1  
15-2  
15  
16  
17  
21  
22  
13  
3-4  
3-2  
3
3-3  
20  
19  
3-1  
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7.2 Frame Assembly  
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7.3 Fuser Unit  
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7.4 Paper Path Unit  
0
16  
14  
17  
16  
5
25  
15  
12  
4
27  
11-3  
11-2  
2
3
11-1  
11  
6
13  
1
10  
9-2  
10  
9-1  
18  
9
9-3  
19  
7
24  
21  
22  
8
20  
23  
26  
24  
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7.5 MP Tray Assembly  
0
5
2
1
3
4
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΁ΒΣΥΤ͑ͽΚΤΥ  
Basic Parts List (ML-2010/XEV)  
Service BOM(SA : Service Available, SNA : Service not Available)  
Drawer#  
(Section-No)  
Status  
(SA/SNA)  
Part Code  
Description  
Location  
Remark  
7.1 Main Assembly  
7.1-1  
7.1-2  
JC96-03349C ELA UNIT-FRAME_LOW_SN;ML-2010,SAMSUNG,-,  
JC97-02329D MEA-COVER MAIN;ML-2010,SAMSUNG,RUSIA  
JC61-01155A GUIDE-M-STACKER_RX;ML-1610,HIPS,2,108,11  
JC61-01156A GUIDE-M-SUB STACKER;ML-1610,HIPS,2,82,10  
JC63-00618H COVER-M_TOP_SN;ML-2010,HIPS,2.3,254.5,35  
JC63-00619A COVER-M-MAIN;ML-1610,HIPS,2,252,352,HB,-  
JC63-00620A COVER-M-JAM;ML-1610,HIPS,2,78,227.4,HB,-  
JC64-00184A KEY-M-ONLINE;ML-1610,ABS,L29*H21.5*PHI21  
JC66-00816A LEVER-M-ACTUATOR JAM;ML-1610,PC,-,18.5,6  
JC67-00079A LENS-M_LED;ML-1610,PMMA,TRANSPARENT,L65.  
JC72-01001A PMO-SUB STACKER;ML-1400,PC,-,32*4.8*25.5  
JC97-02176A MEA UNIT-COVER FRONT;ML-1610,SAMSUNG,-,-  
JC63-00616A COVER-M_FRONT(DEVE);ML-1610,HIPS,2.5,139  
JC63-00617A TRAY-M-CASSETTE;ML-1610,HIPS,2,277,108,H  
JC63-00628A TRAY-M-EXTENSION LARGE;ML-1610,HIPS ,2,7  
JC63-00629A TRAY-M-EXTENSION SMALL;ML-1610,HIPS ,-,2  
JC59-00023A UNIT-LSU;ML-1610,-,-,16,20PPM,1 LIGHT SO  
JC63-00621A COVER-M-SMPS;ML-1610,ABS,2,156,243.5,VO,  
JC96-03354A ELA UNIT-DEV KIT 3K;ML-2010,XEV,EXPORT,3  
JC96-03401A ELA HOU-FUSER 220V;ML-1610,SAMSUNG,-,FUS  
JC63-00632A SHIELD-P-ENGINE;ML-1610,SECC,T0.8,141.2,  
JC39-00481A CBF HARNESS-LSU;ML-2010,#26,UL 1061,11PI  
JC44-00087A SMPS-V2C;SCX-4521F,*,AC/DC,-,220V~230VAC  
SA  
SA  
SA  
7.1-2-1  
7.1-2-2  
7.1-2-3  
7.1-2-4  
7.1-2-5  
7.1-2-6  
7.1-2-7  
7.1-2-8  
7.1-2-9  
7.1-3  
7.1-3-1  
7.1-3-2  
7.1-3-3  
7.1-3-4  
7.1-4  
Z5090  
Z5092  
SA  
SNA  
SNA  
SA  
SNA  
SA  
SNA  
SA  
SA  
SNA  
SNA  
SNA  
SNA  
SA  
SA  
SNA  
SA  
SNA  
SA  
SA  
SA  
SA  
SA  
SA  
SA  
SA  
Z2198  
D0027  
K0045  
A1013  
W3274  
Z5092  
Z2409  
Z2146  
K3955  
E5013  
E5014  
L7012  
S7009  
7.1-5  
7.1-6  
7.1-7  
7.1-8  
F4038  
E2108  
7.1-9  
7.1-10  
7.1-11  
7.1-12  
7.1-13  
7.1-14  
7.1-15  
7.1-15-1  
7.1-15-2  
7.1-16  
7.1-17  
7.1-18  
7.1-19  
7.1-20  
7.1-21  
7.1-22  
JC92-01706A PBA MAIN-P1284;ML-2015  
,SEC,KOREA,-,-,  
JC39-00405A CBF HARNESS-MOTOR;ML-1610,CBF HARNESS,UL  
JC39-00400A CBF HARNESS-HVPS;ML-1610,WIRE HARNESS,UL  
JC39-00402A CBF HARNESS-SMPS;ML-1610,WIRE HARNESS,UL  
JC96-01672A ELA UNIT-TERMINAL TR L;ML-6060A,SEC,220V  
JC61-00031A SPRING ETC--HV LARGE;ML-6060A,SUS 304 WP  
JC70-40912A ICT-SHAFT HV LARGE;ML-5000A,SWCH18A,-,¥÷  
JC44-00079A HVPS-SKYLARK;-,24V,21.6V~27.6V,-,MAX 5KV  
JC63-00722A SHEET-HVPS;ML-1610,PP PP,T0.254,155,201,  
JC63-00631A GROUND-P-HVPS;ML-1610,SUS304CSP 1/2H,0.2  
3903-000042 CBF-POWER CORD;DT,EU,FP3/YES,IEC320 C13/  
JC61-01170A PLATE-P-CHANNEL;ML-1610,SECC,1.2,8,12.9,  
JC97-02239A MEA UNIT-MP TRAY;SCX-4521F,SEC,-,MP-TRAY  
JC31-00027A FAN-DC_HUMMINGBIRD;-,ML-1710,-,-,-  
M2053  
H1098  
H1247  
K3197  
Z4197  
S4027  
S7027  
D2132  
K3232  
K2903  
P5151  
SA  
SA  
SA  
SNA  
SA  
SA  
SA  
SA  
F5019  
7.2 Frame Assembly  
7.2-0  
7.2-1  
7.2-2  
7.2-2-1  
7.2-2-2  
7.2-2-3  
7.2-2-4  
7.2-3  
JC96-03349C ELA UNIT-FRAME_LOW_SN;ML-2010,SAMSUNG,-,  
SA  
SNA  
SA  
SA  
SNA  
SA  
SNA  
SA  
SA  
JC61-01152A FRAME-M-BASE;ML-1610,ABS(VE-0860P),-,-,B  
JC97-02218A MEA UNIT-PLATE KNOCK_UP;ML-1610,SAMSUNG,  
JC61-01158A PLATE-M-KNOCK_UP;ML-1610,HIPS HB,T2,W80,  
JC66-00720A SHAFT-P-CORE;ML-1750,SECC 1.2T,203,-,-,-  
JC72-01004A PMO-IDLE KNOCK UP MP;ML-2150,POM,BLK,-,M  
JC74-00011A MPR-PAD KNOCK UP MP;ML-6060A,CR+CORK,10*  
JC61-01258A SPRING ETC-TORSION DEVE_L;ML-1610,SUS304  
JC61-01259A SPRING ETC-TORSION DEVE_R;ML-1610,SUS304  
JC96-03592A ELA UNIT-RX DRIVE;ML-2010,SAMSUNG,-,SNIP  
JC61-01465A BRACKET-P-GEAR_SN;ML-2010,SECC,T1.2,110,  
JC61-01449A BRACKET-P-MOTOR;ML-2010,SECC,2.0,45.6,11  
JC66-00804A GEAR-RDCN 139/83;ML-1610,POM,0.5/0.6,139  
JC31-00037D MOTOR STEP-MAIN;M55SP-2NK,ML-2010,1.2A,7  
JC72-00825A PMO-IMPELLER_DRV;ML-6200,NYLON66,BLK,-,-  
JC97-02327A MEA UNIT-FRAME PATH;ML-2010,SAMSUNG,-,-,  
JC70-00500A ADJUST-M-CASSETTE_R;ML-1610,ABS,2.5T,120  
JC70-00499A ADJUST-M-CASSETTE_L;ML-1610,ABS,2.5T,120  
JG66-40003A GEAR-PINION;SF4000,POM,WHT,M1,Z16  
B0080  
K3602  
K5002  
P2158  
K5006  
K5007  
Z4271  
Z4272  
7.2-4  
7.2-5  
SA  
7.2-5-1  
7.2-5-2  
7.2-5-3  
7.2-5-4  
7.2-5-5  
7.2-6  
7.2-7  
7.2-8  
7.2-9  
SNA  
SNA  
SA  
SA  
SNA  
SA  
SA  
SA  
SA  
G0383  
K4023  
K2015  
K2014  
͢
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΁ΒΣΥΤ͑ͽΚΤΥ  
Service BOM(SA : Service Available, SNA : Service not Available)  
Drawer#  
(Section-No)  
Status  
(SA/SNA)  
Part Code  
Description  
Location  
Remark  
7.2-10  
7.2-11  
7.2-12  
7.2-13  
7.2-14  
7.2-15  
7.2-16  
7.2-17  
7.2-18  
7.2-19  
7.2-20  
JC61-00836A FOOT-FRONT;ML-1750,NBR,D7,-,11.5,-,-  
F1011  
G0381  
D4047  
F4086  
F6076  
K3816  
Z4274  
D4053  
D4084  
A0003  
B2030  
SA  
SA  
SA  
SA  
SA  
SA  
SA  
SA  
JC66-00805A GEAR-RDCN 113/83;ML-1610,POM,0.6/0.6,113  
JC66-00806A GEAR-OPC DR 76/38/29;ML-1610,POM,0.6/0.8  
JC66-00807A GEAR-FUSER DR 63/35;ML-1610,POM,0.6/0.8,  
JC66-00808A GEAR-FEED DR 41;ML-1610,POM,0.8,41,-,WHI  
JC66-00822A LEVER-M-ACTUATOR_EMPTY;ML-1610,ABS,-,27,  
JB61-00076A SPRING ETC-TORSION DOC (CC2-F);SCX-1110F  
JC63-00622A GROUND-P-OPC;ML-1610,SUS304CSP 1/2H,0.2,  
6107-001240 SPRING-CS;SUS304-WPB,GROUND END,PI0.6,D1  
JC67-00110A CAP-M-MOTOR;ML-1610,HIPS ,2.0,60.5,52.4,  
JC61-00025A SPRING ETC-CS-CHARGE APOLLO;SF-5100,SUS  
SNA  
SNA  
SNA  
7.3 Fuser Unit  
7.3-0  
7.3-1  
7.3-2  
7.3-3  
7.3-4  
7.3-5  
7.3-6  
7.3-7  
JC96-03401A ELA HOU-FUSER 220V;ML-1610,SAMSUNG,-,FUS  
JC61-01162A FRAME-P-FUSER;ML-1610,SECC ,-,-,-,1,264.  
JC63-00615A COVER-M_FUSER;ML-1610,PET+GF30%,2,72,311  
JC61-01177A HOLDER-M-EXIT R;ML-1610,PC,1.5,10,20,BLK  
JC66-00810A GEAR-EXIT_DRV17;ML-1610,POM,0.8,17,-,BLK  
JC61-01172A HOLDER-M-EXIT F/DOWN;ML-1610,PC,T2.0,W18  
6107-001168 SPRING-CS;PW-2,-,PI0.95,D5.95,L16,-,-,D5  
JC66-10901A BEARING-PRESSURE/R;ML-165,PPS(RBA313N),-  
JC61-00595A GUIDE-M-INPUT;ML-1710,PET+GF30%,-,-,-,BL  
JC66-00600A ROLLER-PRESSURE;ML-1710,SUM24L+LSR+PFA,2  
JC66-00601A ROLLER-HEAT;ML-1710,AL 5052+PFA,20.3,247  
JC66-00564A GEAR-FUSER, Z37;ML-1710,PPS OFL4036,0.8,  
JC61-00589A BUSH-M-HR L;ML-1710,PPS(RBA313N),-,-,-,-  
JC61-00590A BUSH-M-HR R;ML-1710,PPS RBA313N,-,-,-,-,  
4713-001202 LAMP-HALOGEN;230V,-,600W,-,-,-,6X284MM  
JC66-00824A ROLLER-M-EXIT MAIN;ML-1610,POM,8.5,L23.6  
JC66-00934A ROLLER-M_EXIT FR;ML-1610,TEFLON-NTR,6.5,  
6107-001168 SPRING-CS;PW-2,-,PI0.95,D5.95,L16,-,-,D5  
6107-001163 SPRING-CS;SUS304-WPB,-,PI0.4,D3.9,L13,-,  
1404-001298 THERMISTOR-NTC;7KOHM,-,3370K,0.3MW/C,-,-  
JC47-00005B THERMOSTAT-150;ML-1610,-,125/250V,15/7.5  
JC39-00404A CBF HARNESS-FUSER JOINT;ML-1610,WIRE HAR  
JC39-00403B CBF HARNESS-FUSER(220V);ML-1610,WIRE HAR  
JC61-00064A SPRING ETC-CLAW;ML-5200A,SUS 304 WPB,¥Õ0S  
JC61-00584A HOLDER-M-PLATE CLAW;ML-1710,PPS+GF40%,-,  
JC61-00605A PLATE-P-CLAW;ML-1710,SUS304-CSP,0.1,-,-,  
JC66-00801A GEAR-EXIT_DR38/25;ML-1610,POM,0.8,38/25,  
6031-001051 WASHER-PLAIN;M4,ID4.1,OD7.0,T0.13,*,POLY  
6107-001163 SPRING-CS;SUS304-WPB,-,PI0.4,D3.9,L13,-,  
JC63-00637A COVER-M-FUSER-DUMMY;ML-1610,PET+GF30%,2,  
JC63-00639A COVER-M-LAMP-L;ML-1610,PET+GF30%,2,44.32  
JC63-00638A COVER-M-LAMP-R;ML-1610,PET+GF30%,2,25.31  
6044-000001 RING-CS;ID3,OD3,T0.25,BLACK,SUS304  
F4038  
F2122  
Z2149  
H4027  
E4038  
H4026  
D4085  
P6004  
K3960  
P6014  
H2010  
F4094  
K2879  
K2880  
K2297  
R1083  
SA  
SNA  
SNA  
SA  
SNA  
SNA  
SNA  
SA  
SNA  
SA  
SA  
SA  
SNA  
SA  
7.3-8  
7.3-9  
7.3-10  
7.3-11  
7.3-12  
7.3-13  
7.3-14  
7.3-15  
7.3-16  
7.3-17  
7.3-18  
7.3-19  
7.3-20  
7.3-21  
7.3-22  
7.3-23  
7.3-24  
7.3-25  
7.3-26  
7.3-27  
7.3-28  
7.3-29  
7.3-30  
7.3-31  
7.3-32  
7.3-33  
7.3-34  
SA  
SNA  
SNA  
SNA  
SA  
SA  
SA  
SA  
SA  
NA  
SA  
SNA  
SNA  
SNA  
SA  
SNA  
SNA  
SNA  
SNA  
SA  
D4085  
D4086  
W3071  
K4279  
H1089  
B2031  
H4031  
H4032  
E4039  
S2004  
D4086  
Z2194  
L1014  
L1015  
D4088  
E4159  
H4087  
JC66-00826A ROLLER-EXIT F/DOWN;ML-1610,SUM22L+EPDM,1  
JC67-00085A CAP-M-THERMO;ML-1610,PET+GF30%,1.2,11.92  
SNA  
7.4 Paper Path Assembly  
7.4-0  
7.4-1  
7.4-2  
7.4-3  
7.4-4  
7.4-5  
7.4-6  
7.4-7  
7.4-8  
7.4-9  
7.4-9-1  
7.4-9-3  
7.4-10  
JC97-02327A MEA UNIT-FRAME PATH;ML-2010,SAMSUNG,-,-,  
SA  
SA  
SA  
SA  
SA  
SNA  
SNA  
SNA  
SNA  
SA  
JC61-01161A GUIDE-M-PAPER PATH;ML-1610,ABS HB,-,140,  
JC66-00814A LEVER-ACTUATOR FEED SENSOR;ML-1610,PC,-,  
JB61-00107A SPRING ETC-LEVER SENSOR;SF-430,SUS304,0.  
JC70-10232A IPR-PLATE SAW;ML-80,SUS304 CSP 1/2H,-,T0  
JC63-00625A GROUND-P-VARISTOR;ML-1610,SUS304CSP1/2H,  
JC63-00624A GROUND-P-ZENER;ML-1610,SUS304CSP 1/2H,0.  
JC63-00623A GROUND-P-THV;ML-1610,SUS304CSP 1/2H,0.2,  
JC63-00626A GROUND-P-SAW;ML-1610,C5210P,0.2,27.9,49.  
JC97-02217A MEA UNIT-HOLDER_PAD;ML-1610,SAMSUNG,-,-,  
JC61-70911A SPRING ETC-EXIT ROLL FD;ML-165,SUS304 WP  
JC61-01169A HOLDER-M-PAD;ML-1610,PC,1.7,39.5,33.4,BL  
JC66-00815A LEVER-M-KICKER P/U;ML-1610,POM,-,10.5,31  
G2069  
E7006  
K3377  
W3076  
W3077  
W3078  
W3079  
P0015  
Z4137  
H4029  
R1120  
SA  
SA  
SNA  
ͣ
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΁ΒΣΥΤ͑ͽΚΤΥ  
Service BOM(SA : Service Available, SNA : Service not Available)  
Drawer#  
(Section-No)  
Status  
(SA/SNA)  
Part Code  
Description  
Location  
Remark  
7.4-11  
7.4-11-1  
7.4-11-2  
7.4-11-3  
7.4-12  
7.4-13  
7.4-14  
7.4-15  
7.4-16  
7.4-17  
7.4-18  
7.4-19  
7.4-20  
7.4-21  
7.4-22  
7.4-23  
7.4-24  
7.4-25  
7.4-26  
7.4-27  
JC97-02179A MEA UNIT-PICK UP GEAR;ML-1610,SAMSUNG,-,  
JC66-00803A GEAR-PICK_UP B;ML-1610,POM,0.8,33,-,WHIT  
JC66-00802A GEAR-PICK_UP A;ML-1610,POM,0.8,33,-,WHIT  
6107-001167 SPRING-CS;SUS304-WPB,-,PI0.25,D3.25,L9.6  
JC33-00015B SOLENOID-MP_R2;-,SCX-4720F,DC24V,-,-,-,-  
JC66-00809A GEAR-FEED 35/19;ML-1610,POM,0.8/0.8,35/1  
JC61-00588A BUSH-M-TR L;ML-1710,POM(M90-44),-,-,-,BL  
JC72-00102A PMO-BUSHING_TR(L);SF-5100,POM (CH-15),BL  
JC61-70940A SPRING ETC-TR(12);ML-5500,-,4.5,-,12.7,1  
JC66-00725A ROLLER-TRANSFER;SCX-4100,NBR+ECO+SUM24L+  
JC61-00583A HOLDER-PTL;ML-1710,PC,-,-,-,BLK,V0  
JC70-00307A IPR-P-EARTH TRANSFER;ML-1710,SECC,-,1.0T  
JC66-00829A SHAFT-P-PICK_UP;ML-1610,SECC,264,T1.2,-,  
JC61-01151A HOUSING-M-PICK_U;ML-1610,POM,-,-,35,NATU  
JC61-01173A HOUSING-M-PICK_UP B;ML-1610,ABS HB,-,-,3  
JC73-00211A RUBBER-PICK_UP;ML-1610,EPDM+IR,MM,-,-,-,  
JC66-00811A CAM-M-PICK_UP;ML-1610,POM,4,W21*PHI12,NT  
JC66-00813A GEAR-TRANSFER;ML-1610,POM,0.6,24,-,BLK,1  
JC61-01281A BRACKET-P-BAR_PICK_UP;ML-1610,SECC,T1.0,  
JC39-00482A CBF HARNESS-MICRO SW;ML-2010,WIRE HARNES  
P2093  
P2056  
P2057  
D4089  
S8014  
F6071  
K2886  
K3856  
Z4277  
T3014  
H4041  
K3367  
P2160  
P2067  
P2068  
P2148  
P2042  
G0448  
SA  
SA  
SA  
SA  
SA  
SA  
SA  
SA  
SNA  
SA  
SA  
SA  
SA  
SNA  
SNA  
SA  
SA  
SA  
SNA  
SA  
7.5 MP Tray Assembly  
7.5-0  
7.5-1  
7.5-2  
7.5-3  
7.5-4  
7.5-5  
JC97-02239A MEA UNIT-MP TRAY;SCX-4521F,SEC,-,MP-TRAY  
SA  
SA  
SA  
SA  
SA  
JC61-01263A PLATE-M_MP;SCX-4521F,HIPS,2.5,278.2,119.  
JC70-00514A ADJUST-M _MP L;SCX-4521F,HIPS,2.5,128.3,  
JC70-00515A ADJUST-M_MP R;SCX-4521F,HIPS,2.5,128.3,1  
JG66-40003A GEAR-PINION;SF4000,POM,WHT,M1,Z16  
JC63-00711A SHEET-MP;SCX-4521F,PET,T0.188,223.0,60.8  
JC69-00818D BOX(P)-MAIN(XEV);ML-2010,OFFSET3,TOMSON,  
JC96-03354A ELA UNIT-DEVE INITIAL  
JC96-03593A ELA HOU-ENGINE;ML-2010,SAMSUNG,-,-,-,-,-  
0402-000129 DIODE-RECTIFIER;1N4003,200V,1A,DO-41,TP  
2005-000168 R-WIRE WOUND,NON;0.22ohm,5%,2W,AA,BK,4x1  
2401-000042 C-AL;100uF,20%,16V,GP,TP,6.3x7,5  
SA  
SA  
T2060  
SNA  
SNA  
SA  
SNA  
SA  
2401-001185 C-AL;33uF,20%,35V,GP,TP,5x11,5  
SNA  
SNA  
SA  
SNA  
SNA  
SNA  
SNA  
SA  
SNA  
SNA  
SA  
SA  
SNA  
SA  
2801-003886 CRYSTAL-UNIT;12MHz,50ppm,28-AAA,16pF,50o  
3711-002001 CONNECTOR-HEADER;BOX,20P,2R,2MM,STRAIGHT  
3711-002810 CONNECTOR-HEADER;BOX,9P,1R,2mm,STRAIGHT,  
3711-002812 CONNECTOR-HEADER;BOX,11P,1R,2mm,STRAIGHT  
3711-003409 CONNECTOR-HEADER;BOX,3P,1R,2mm,STRAIGHT,  
3711-003410 CONNECTOR-HEADER;BOX,4P,1R,2mm,STRAIGHT,  
3711-003942 CONNECTOR-HEADER;BOX,2P,1R,2mm,STRAIGHT,  
3711-003969 CONNECTOR-HEADER;BOX,2P,1R,2.5mm,STRAIGH  
3722-001101 JACK-USB;4P/1C,AU,IVR,ANGLE,B TYPE  
6002-000440 SCREW-TAPPING;RWH,+,2,M3,L8,ZPC(BLK),SWR  
6003-000196 SCREW-TAPTITE;PWH,+,B,M3,L10,NI PLT,SWRC  
6003-000261 SCREW-TAPTITE;BH,+,B,M3,L6,ZPC(YEL),SWRC  
6003-000269 SCREW-TAPTITE;BH,+,S,M3,L6,ZPC(YEL),SWRC  
6003-000282 SCREW-TAPTITE;BH,+,B,M3,L8,ZPC(BLK),SWCH  
6003-000301 SCREW-TAPTITE;BH,+,S,M4,L6,ZPC(YEL),SWRC  
6103-000117 SUPPORTER;DACN-6N,L10,NTR,NYLON66  
6107-001169 SPRING-CS;SUS304-WPB,-,PI0.55,D9.3,14.25  
6902-000288 BAG PE;LDPE,T0.05,W250,L450,TRP,8,2-  
6902-000437 BAG PE;HDPE,T0.015,W900,L800,TRP,8,4PE M  
6902-000455 BAG CONDUCTIVE;LDPE,T0.1,W200,L450,BLK,-  
JB68-00072A LABEL(R)-BAR RIBON;SF-3000,-,PY,T0.0046,  
JB68-00073A LABEL(R)-BAR CODE;SF-3000,-,PY,T0.5,6.5,  
JB68-00916A LABEL RATING-BLANK;SF-340,SEC,TETRON,0.0  
JB75-10029A MEC-RIBBON BARCODE S;COLUMBUS,KISCOM,BLK  
JC02-00043A TONER-GRINDED;ML-1610,TUFTONE YS-4,-,8.8  
JC46-00261A S/W APPLICATION-CD;-,ML-2015,PRT DRV,1.0  
JC61-00049A SPRING ETC-TR(KOR);ML-4500,SUS304-WPB,0.  
JC63-00712A COVER-M_PAPER;SCX-4521F,ABS,2.5,269.97,1  
SA  
SNA  
SNA  
SA  
SNA  
SNA  
SA  
SNA  
SNA  
SNA  
SNA  
SNA  
SNA  
SNA  
SA  
ͤ
Download from Www.Somanuals.com. All Manuals Search And Download.  
΁ΒΣΥΤ͑ͽΚΤΥ  
Service BOM(SA : Service Available, SNA : Service not Available)  
Drawer#  
(Section-No)  
Status  
(SA/SNA)  
Part Code  
Description  
Location  
Remark  
JC63-00891A FELT-FRAME NOISE L;ML-2010,POLYESTER RAY  
JC63-00892A FELT-FRAME NOISE R;ML-2010,POLYESTER RAY  
JC66-00823A DRUM-OPC;ML-1610,AL A30 OR A60,-,24,248,  
JC68-00274A LABEL(R)-RIBBON;SF-5100,100,-,-,BLK  
JC68-00407A LABEL(R)-HV FUSER;ML-6060,PVC,-,220V,-  
JC68-00573A LABEL(R)-BARCODE;ML-4500,-,PET,T0.05,34M  
JC69-00050A BAG ENVELOPE;ML-6100,PAPER,WHT,20LB,-  
JC69-00739A CUSHION-EPS SET(SKYL);ML-1610,EPS,-,505,  
JC69-00825A BOX(P)-POWER PAD;ML-1610,SW, E,TOMSON,-,  
JC72-01371A SPONGE-COVER TOP;ML-2010,POLYURETHANE FO  
SNA  
SNA  
SNA  
SNA  
SNA  
SNA  
SNA  
SNA  
SNA  
SNA  
L0018  
0201-001183 ADHESIVE-AA;ARON ALPHA #202F,NTR,100,20G  
0201-001235 ADHESIVE-TS;DEH-390D,RED,400,-  
SNA  
SNA  
NA  
SNA  
SNA  
SNA  
SNA  
SA  
SA  
SA  
SA  
SNA  
SA  
SNA  
SA  
SA  
SA  
SA  
SNA  
SA  
SA  
0202-001459 SOLDER-CREAM;S3X58-M405,-,D20~38§-,96.5SS  
0205-001059 GREASE-BEARING;PETAMO GHV 133,BEIGE,15KG  
0205-001067 GREASE-GRAPHITE;NYOGEL 756G,HYDRO CARBON  
0205-001088 GREASE-BEARING;NICHIMOLY DM-1770X,PTFE,-  
0401-000116 DIODE-SWITCHING;MMSD914T1,100V,200MA,SOD  
0407-000122 DIODE-ARRAY;KDS226,80V,300mA,C2-3,SOT-23  
0501-000279 TR-SMALL SIGNAL;KSA1182-Y,PNP,150mW,SOT-  
0501-000457 TR-SMALL SIGNAL;MMBT2222A,NPN,350MW,SOT-  
0801-000794 IC-CMOS LOGIC;7S08,AND GATE,SOT-25,5,63M  
0801-002446 IC-CMOS LOGIC;74LCX14,SCHMITT INVERTER,T  
1003-001535 IC-MOTOR DRIVER;A3977SLP,TSSOP,28P,9.6X4  
1103-000152 IC-EEPROM;93C66,256x16Bit,SOP,8P,5x4mm,-  
1105-001464 IC-DRAM;K4S641632,4MX16BIT,TSOP(II),54P,  
1202-000164 IC-VOLTAGE COMP.;393,SOP,8P,150MIL,DUAL,  
1203-001455 IC-POSI.FIXED REG.;1117,DPAK,3P,265MIL,P  
1203-002220 IC-POSI.ADJUST REG.;LD1117,DPAK,3P,240MI  
1203-002233 IC-RESET;XC61F,SOT-23,3P,-,PLASTIC,0.7/1  
1205-002339 IC-CLOCK GENERATOR;CY25811SC,SOIC,8P,150  
2007-000070 R-CHIP;0ohm,5%,1/10W,TP,1608  
2007-000074 R-CHIP;100ohm,5%,1/10W,TP,1608  
SA  
2007-000076 R-CHIP;330ohm,5%,1/10W,TP,1608  
SA  
2007-000078 R-CHIP;1Kohm,5%,1/10W,TP,1608  
SA  
2007-000083 R-CHIP;3Kohm,5%,1/10W,TP,1608  
SA  
2007-000090 R-CHIP;10Kohm,5%,1/10W,TP,1608  
SA  
2007-000091 R-CHIP;12Kohm,5%,1/10W,TP,1608  
SA  
2007-000094 R-CHIP;22Kohm,5%,1/10W,TP,1608  
SA  
2007-000096 R-CHIP;30Kohm,5%,1/10W,TP,1608  
SA  
2007-000107 R-CHIP;470Kohm,5%,1/10W,TP,1608  
SA  
2007-000113 R-CHIP;33ohm,5%,1/10W,TP,1608  
SA  
2007-000116 R-CHIP;120ohm,5%,1/10W,TP,1608  
SA  
2007-000123 R-CHIP;1.5Kohm,5%,1/10W,TP,1608  
SA  
2007-000134 R-CHIP;33Kohm,5%,1/10W,TP,1608  
SA  
2007-000402 R-CHIP;150ohm,5%,1/10W,TP,1608  
SA  
2007-000965 R-CHIP;5.1Kohm,5%,1/10W,TP,1608  
SA  
2007-001002 R-CHIP;510ohm,5%,1/10W,TP,1608  
SA  
2007-001044 R-CHIP;56ohm,5%,1/10W,TP,1608  
2007-001139 R-CHIP;7.5Kohm,1%,1/10W,TP,1608  
SNA  
SNA  
SA  
SNA  
SNA  
SA  
SA  
SA  
SA  
SA  
2007-007521 R-CHIP;14.7Kohm,1%,1/10W,TP,1608  
2007-008567 R-CHIP;15.4KOHM,1%,1/10W,TP,1608  
2011-001011 R-NET;10Kohm,5%,1/16W,L,CHIP,8P,TP,3.2x1  
2203-000189 C-CER,CHIP;100nF,+80-20%,25V,Y5V,TP,1608  
2203-000236 C-CER,CHIP;0.1NF,5%,50V,C0G,TP,1608  
2203-000257 C-CER,CHIP;10nF,10%,50V,X7R,TP,1608  
2203-000384 C-CER,CHIP;0.015NF,5%,50V,C0G,TP,1608  
2203-000440 C-CER,CHIP;1nF,10%,50V,X7R,TP,1608,-  
2203-000626 C-CER,CHIP;0.022nF,5%,50V,C0G,TP,1608  
2203-000783 C-CER,CHIP;0.33NF,5%,50V,C0G,TP,1608  
2203-000815 C-CER,CHIP;0.033NF,5%,50V,C0G,TP,1608  
2203-001408 C-CER,CHIP;0.27nF,5%,50V,NP0,TP,1608  
SA  
SA  
SA  
SA  
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Service BOM(SA : Service Available, SNA : Service not Available)  
Drawer#  
(Section-No)  
Status  
(SA/SNA)  
Part Code  
Description  
Location  
Remark  
2203-001607 C-CER,CHIP;0.22nF,5%,50V,NP0,-,1608  
SA  
2203-001683 C-CER,CHIP;0.068nF,5%,50V,NP0,TP,1608  
2203-002392 C-CER,CHIP;220nF,+80-20%,50V,Y5V,TP,2012  
2203-002398 C-CER,CHIP;22nF,10%,50V,X7R,TP,1608  
SA  
SA  
SA  
2203-005249 C-CER,CHIP;100nF,10%,50V,X7R,TP,1608,-  
2203-005819 C-CER,CHIP;1000nF,+80-20%,16V,Y5V,-,1608  
3301-001425 BEAD-SMD;120ohm,3.2x1.6x1.1mm,900mA,TP,,  
JC13-00027A IC ASIC-JUPITER4E;S4FD004X,ML-1520,160P,  
JC41-00294A PCB-MAIN;ML-2010,FR-4,2L,V0.1,1.6T,122.7  
JC61-00060A SPRING ETC-TS BLADE;ML-6060,SUS304 WPB,0  
JC62-00145A SEAL-SUPPLY;ML-1610,CHLOROPRENE RUBBER  
JC62-00149A SEAL-CAP DEVE;ML-1610,POLYURETHANE FOAM,  
JC62-00150A SEAL-SUS BLADE;ML-1610,POLYURETHANE FOAM  
JC62-00151A SEAL-DEVE L;ML-1610,PTFE FELT+MICRO URET  
JC62-00165A SEAL-FILM REAR;ML-1610,PET,-,T0.075,9,22  
JC63-00873A SHEET-PATH;ML-1610,PET,T0.188,8.6,16,BLA  
JC66-00817A GEAR-AGITATOR;ML-1610,POM,0.6,24,-,NTR,2  
JC66-00818A GEAR-RDCN;ML-1610,POM,0.8/0.6,-,-,NTR,-,  
JC66-00819A GEAR-SUPPLY;ML-1610,POM,0.6/0.6,20/19,-,  
JC66-00820A GEAR-DEVE;ML-1610,POLYKETONE,0.8,14,-,NT  
JC66-00825A ROLLER-SUPPLY;ML-1610,SILICON FOAM,D11.5  
JC66-00827A SHAFT-RDCN;ML-1610,SUS303,L24,D3,NTR,-,-  
JC66-00828A ROLLER-CHARGE;ML-1610,NBR+SBR,D12,L230,N  
JC66-00851A ROLLER-DEVE;ML-1610,CONDUCTIVE NBR,D14.0  
JC67-00080A CAP-M-SPACER_R;ML-1610,ABS,-,12,22.5,BLK  
JC70-00153A IPR-ELECTRODE CHARGE;ML-4500,SUS301,-,8.  
JC72-00083A PMO-HOLDER CR;SF-5100,POM(CH-15),BLK,-,-  
JC72-01349A PPR-SPACER SR_L;ML-1610,PET,NTR,T0.5,-,-  
JC72-40232A PMO-CAP AGITATOR;ML-80,PP,BLK,-,-  
SNA  
SNA  
SNA  
SA  
SNA  
SNA  
SNA  
SNA  
SNA  
SNA  
SNA  
SNA  
SNA  
SNA  
SNA  
SNA  
SNA  
SNA  
SNA  
SNA  
SNA  
SNA  
SNA  
SNA  
SA  
JC72-40332A PMO-BUSHING_CHARGE;ML-80,POM,BLK,HB,-  
JC97-02152A MEA UNIT-WTB;ML-1610,SEC,-,ASSY-WTB,-,-,  
JC97-02153A MEA UNIT-OPC;ML-1610,SEC,-,DRUM24,EARTH,  
JC97-02154A MEA UNIT-PLATE_L;ML-1610,SEC,-,ASSY-PLAT  
JC97-02155A MEA UNIT-PLATE_R;ML-1610,SEC,-,ASSY-PLAT  
JC97-02182A MEA ETC-SUS BLADE;ML-1610,SEC,SEC,SUS BL  
JC97-02183A MEA UNIT-FRAME INT;ML-1610,SEC,-,ASSY-FR  
0201-001162 ADHESIVE-CYA;LOCTITE403,NTR,1250,20G  
JC61-01163A FRAME-M-DEVE LOWER;ML-1610,ABS,-,HB,BLK,  
JC61-01166A BRACKET-P-SUS BLADE;ML-1610,SPCC+NI,1.2T  
JC61-01167A PLATE-M-DEVE_L;ML-1610,PC,2,62.4,88,BLK,  
JC61-01168A PLATE-M-DEVE_R;ML-1610,ABS,2,62.4,87.7,B  
JC61-01184A FRAME-M_WTB INITIAL;SCX-4521F,ABS+GF20,-  
JC61-01464A BLADE-P_SUS;ML-2010,SUS301-CSP 1/2H T0.0  
JC62-00146A SEAL-SUPPORT L;ML-1610,MICRO URETHANE,-,  
JC62-00147A SEAL-SUPPORT R;ML-1610,MICRO POLYURETHAN  
JC62-00148A SEAL-CAP SIDE;ML-1610,POLYURETHANE FOAM,  
JC62-00153A SEAL-BRKT CLEANING;ML-1610,POLYURETHANE  
JC62-00154A SEAL-OPC CLEAN_L;ML-1610,PTFE FELT+URETH  
JC62-00155A SEAL-OPC CLEAN_R;ML-1610,PTFE FELT+URETH  
JC62-00156A SEAL-BOSS_R;ML-1610,CR,BLACK,T5,-,D7.5,-  
JC64-00185A HANDLE-M-DEVE;ML-1610,HIPS,T1.5,110,125.  
JC66-00821A GEAR-OPC_L;ML-1610,PC+PTFE,0.8,30,-,BLK,  
JC67-00081A CAP-M-HOUSING INITIAL;ML-1610,ABS,T1.5,6  
JC67-00083A CAP-M-WTB;ML-1610,ABS,T1.5,29,250.3,BLK,  
JC69-00846A PAD-FRICTION;ML-1610,NBB,1,5,39,-,GRAY,-  
JC70-00483A ELECTRODE-P_SR(M);SCX-4100,SUS301-CSP T0  
JC70-00501A ELECTRODE-P-DEVE KEY;ML-1610,SUS304CSP1/  
JC71-00009A NPM-BUSHING DEV R;ML-6060,BRONZE,D7*12,-  
JC72-01350A PPR-FILM OPC;ML-1610,URETHANE SHEET,NTR,  
JC72-41105A PMO-BUSHING DEV;ML-5000,POM,NTR,-,-,-,-,  
JC73-10017A RPR-SEAL_BLOCK;ML-80,POLYURETHANE FOAM,T  
JC75-00043A MEC-GEAR OPC R;SF-5100,SEC,POM+C5210P-H  
SNA  
SNA  
SNA  
SNA  
SNA  
SNA  
SNA  
SNA  
SNA  
SNA  
SNA  
SNA  
SNA  
SNA  
SNA  
SNA  
SNA  
SNA  
SNA  
SNA  
SNA  
SNA  
SNA  
SNA  
SNA  
SNA  
SNA  
SNA  
SNA  
SNA  
SNA  
SNA  
SNA  
R1049  
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΁ΒΣΥΤ͑ͽΚΤΥ  
Service BOM(SA : Service Available, SNA : Service not Available)  
Drawer#  
(Section-No)  
Status  
(SA/SNA)  
Part Code  
Description  
Location  
Remark  
JC75-00044A MEC-BUSHING AGI L;SF-5100,SEC,POM+SANTOP  
JC97-01900B MEA UNIT-AGITATOR_B;ML-1610,SEC,SKYLARK,  
JC97-02181A MEA ETC-BLADE CLEANING;ML-1610,SEC,SEC,B  
JC61-01165A BRACKET-P-CLEANING;ML-1610,SECC,1.2T,-,2  
JC66-00012A GEAR-OPC R;SF-5100,POM(M90-44),BLK,M0.6,  
JC71-00002A NPR-EARTH OPC APOLLO;SF-5100,C5210P-H,0.  
JC72-00081A PMO-BUSHING AGI L;SF-5100,POM,BLK,-,-,-,  
JC72-01317A PPR-FILM AGITATOR SUB;ML-2550,PET SHEET  
JC72-01329A PMO-AGITATOR_DOUBLE;ML-6060,ABS+GF20%,BL  
JC72-10924A PPR-FILM AGITATOR;ML-5000,PET T0.1,NTR,-  
JC72-10925A PPR-FILM SUPPORT AGI;ML-5000,PET T0.3,NT  
JC73-00201A REX-BLADE CLEANING;ML-1610,POLYURETHANE  
JC73-40906A RMO-SEAL AGITATOR;ML-5000,SANTOPRENE 201  
SNA  
SNA  
SNA  
SNA  
SNA  
SNA  
SNA  
SNA  
SNA  
SNA  
SNA  
SNA  
SNA  
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Block diagram  
8. Block Diagram  
8.1 ML-2010(20ppm GDI_USB Only) H/W Block Diagram  
8
Service Manual  
8-1  
Samsung Electronics  
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Block diagram  
8.2 ML-2015(20ppm GDI P1284) H/W Block Diagram  
Service Manual  
8-2  
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Connection Diagram  
9. Connection Diagram  
9
Service Manual  
9-1  
Samsung Electronics  
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Schematic Diagram  
10. Schematic Diagrams  
10.1 Main Board(1/5)  
10  
Service Manual  
10-1  
Samsung Electronics  
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Schematic Diagram  
Main Board(2/5)  
Service Manual  
10-2  
Samsung Electronics  
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Schematic Diagram  
Main Board(3/5)  
Service Manual  
10-3  
Samsung Electronics  
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Schematic Diagram  
Main Board(4/5)  
Service Manual  
10-4  
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Schematic Diagram)  
Main Board(5/5)  
Service Manual  
10-5  
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Schematic Diagram  
10-2 Connector Circuit Diagram  
Service Manual  
10-6  
Samsung Electronics  
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Schematic Diagram  
10-3 SMPS Circuit Diagram  
Service Manual  
10-7  
Samsung Electronics  
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Schematic Diagram  
10-4 HVPS Circuit Diagram(1/3)  
Service Manual  
10-8  
Samsung Electronics  
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Schematic Diagram  
HVPS Circuit Diagram(2/3)  
Service Manual  
10-9  
Samsung Electronics  
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Schematic Diagram  
10-4 HVPS Circuit Diagram(3/3)  
Service Manual  
10-10  
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Reference Information  
11. Reference Information  
This chapter describes the reference information for applying this training manual, and it is consist-ed  
of the tool list, the abbreviation table, the outline of model, and so on.  
11  
11.1 Troubleshooting Tool  
The following tools are recommended safe and easy troubleshooting as described in this service manual.  
•
DVM(Digital Volt Meter)  
Standard : Indicates more than 3 digits.  
• Cleaning Equipments  
Standard : An IPA(Isopropyl Alcohol)dry wipe tissue or  
a gentle neutral detergent and lint-free cloth.  
• Driver  
• Vacuum Cleaner  
Standard : "-" type, "+" type (M3 long, M3 short, M2  
long, M2 short).  
• Spring Hook  
Standard : For general use  
• Tweezers  
Standard : For general home use, small type.  
• Cotton Swab  
Standard : For general home use, for medical service.  
• Software (Driver) installation CD ROM  
Service Manual  
11-1  
Samsung Electronics  
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Reference Information  
11.2 Acronyms and Abbreviations(1)  
The table below explains the abbreviations and acronyms used in this service manual. Where abbreviations  
or acronyms are used in the text please refer to this table.  
Abbreviations  
Explanation  
AP  
Access Point  
AC  
Alternating Current  
Auto Power Control  
APC  
ASIC  
ASSY  
BIOS  
BLDC  
CMOS  
CN  
Application Specific Integrated Circuit  
assembly  
Basic Input Output System  
Brush-less Direct Current  
Complementary Metal Oxide Semiconductor  
connector  
CON  
CPU  
dB  
connector  
Central Processing Unit  
decibel  
dbA  
decibel A  
dBM  
DC  
decibel milliwatt  
direct current  
DCU  
DPI  
Diagnostic Control Unit  
Dot Per Inch  
DRAM  
DVM  
ECP  
EDC  
EEPROM  
EMI  
Dynamic Random Access Memory  
Digital Voltmeter  
Enhanced Capability Port  
Embedded Diagnostic control  
Electronically Erasable Programmable Read Only Memory  
Electro Magnetic Interference  
electrophotographic  
EP  
EPP  
FPOT  
F/W  
GDI  
Enhanced Parallel Port  
First Printout Time  
firmware  
graphics device interface  
ground  
GND  
HBP  
HDD  
H/H  
Host Based Printing  
Hard Disk Drive  
High temperature and high marshy place  
high voltage  
HV  
HVPS  
I/F  
High Voltage Power Supply  
interface  
I/O  
Input and Output  
IC  
integrated circuit  
IDE  
Intelligent Drive electronics or Imbedded Drive Electronics  
Service Manual  
11-2  
Samsung Electronics  
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Reference Information  
Acronyms and Abbreviations(2)  
Abbreviations  
Explanation  
IEEE  
IPA  
Institute of Electrical and Electronics Engineers. Inc  
Isopropy Alcohol  
IPM  
Images Per Minute  
LAN  
lb  
local area network  
pound(s)  
LBP  
LCD  
LED  
L/L  
Laser Beam Printer  
Liquid Crystal Display  
Light Emitting Diode  
Low temperature and low marshy place  
Laser Scanning Unit  
LSU  
MB  
megabyte  
MHz  
MPF  
NIC  
megahertz  
Multi Purpose Feeder  
Network Interface Card  
Normal temperature and normal marshy place  
nonvolatile random access memory  
Organic Photo Conductor  
Operate Panel Equipment  
Printed Board Assembly  
Printer Command Language , Printer Control Language  
Page Discription Language  
Page Per Minute  
N/N  
NVRAM  
OPC  
OPE  
PBA  
PCL  
PDL  
PPM  
PPS  
PS  
Pulse Per Second  
Post Script  
PTL  
Pre-Transfer Lamp  
PWM  
Q-PID  
Q ty  
RAM  
ROM  
SCF  
SMPS  
SPGP  
SPL  
Spool  
SW  
Pulse Width Modulation  
Quick Printer Initiating Device  
quantity  
Random Access Memory  
Read Only Memory  
Second Cassette Feeder  
Switching Mode Power Supply  
Samsung Printer Graphic Processor  
Samsung Printer Language  
Simultaneous Peripheral Operation Online  
switch  
sync  
USB  
WECA  
synchronous or synchronization  
Universal Serial Bus  
Wireless Ethernet Compatibility Alliance  
Service Manual  
11-3  
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Reference Information  
11.3 Selecting printer locations  
• Leave enough room to open the printer trays, covers, and allow for proper ventilation. (see diagram  
below)  
• Provide the proper environment :  
- A firm, level surface  
- Away from the direct airflow of air conditioners, heaters, or ventilators  
- Free of extreme fluctuations of temperature, sunlight, or humidity  
- Clean, dry, and free of dust  
Service Manual  
11-4  
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Reference Information  
11.4 Sample Tests Patterns  
The sample patterns shown below are the standard test patterns used in the factory.  
The life of the toner cartridge, developer cartridge and printing speed are measured with the pattern shown  
below (5%). The A4 ISO 19752 standard pattern samples are reproduced reduced to 70% of the actual A4  
size.  
A4 ISO 19752 Standard Patterns  
Service Manual  
11-5  
Samsung Electronics  
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Circuit Description  
12. Circuit Description  
12  
12.1 Engine Controller  
The engine controller module consists of a motor controller, a PWM controller, a LSU I/F controller, and an ADC I/F  
controller.  
12.1.1 Heater Control  
ENGINE CONTROL PART  
AC CONTROL PART  
CHOKE  
R22 180  
Vcc  
FUSIBLE  
FUSER  
PC1  
H
N
AC  
VOLTAGE  
R6  
5.6K  
2
1
TR2 KSC  
1008-Y  
R3  
C
B
IC1  
LM393D  
R24  
120  
D3  
R7  
1K  
E
TRIAC  
914T1  
3
Vcc  
D1  
Vcc  
HEAT  
LAMP  
R21  
1.5K  
C22  
103  
1
2
914T1  
R5  
C21  
104  
R4  
R1  
5.6K  
CN1  
Rs  
THERM  
BD2  
BD1  
1
C
TR1  
D2  
C1  
B
R2  
KSC  
914T1  
10nF  
2
R23  
100  
1008-Y  
C2  
1nF  
E
THERMISTOR  
+24Vs  
The heat lamp radiates heat by using AC power. The AC power is a TRIAC (a semiconductor switch device) which  
controls a switch. The ‘ON/OFF’ control is completed by turning on/off a gate of the TRIAC through a photo TRIAC  
which is insulation part.  
If explaining more detail about the AC control part, it consists of passive circuit ; therefore, it turns on/off the heater  
by receiving the signal from the engine control part. If the heater on signal is turned on at the engine, electricity flows  
in as the LED of the PC1 (Photo TRIAC) is connected. Then, it emits light.  
By this light, the TRIAC unit, a light receiving unit, becomes on, and electricity is supplied to the gate of the TRIAC.  
Then, the TRIAC is turned on. As a result, AC current flows in a heat lamp, and the heat lamp radiates heat.  
On the other contrary, if the signal is turned off, the PC1 becomes off, and the TRIAC is turned off due to no elec-  
tricity at the gate of the TRIAC. Consequently, the heat lamp is turned off.  
Special Feature of TRIAC (THY 1): 16A, 600V SWITCHING  
Phototriac Coupler (PC3)  
Turn On If Current: 15mA~50mA (Design: 16mA)  
High Repeive Peak Off State Voltage: Min 600V  
Service Manual  
12-1  
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Circuit Description  
Service Manual  
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Circuit Description  
Explanation about the condition of Normal Operation  
If the fuser (P3.7) port becomes high, the Q6 is activated. A heat lamp starts operating by the activity.  
As the temperature of the heat lamp is increased, the resistance value of the thermister is decreased.  
Therefore, the electric potential of the circled A becomes low.  
On/Off operation of the Q6 is only controlled by the fuser (P3.7) port because 5(+) of the  
U11(Comparator) is always higher than 6 (-) within the normal control temperature rage.  
Functions of the Malfunction Protection:  
If the fuser port (P3.7) is turned on regardless of controlling due to system malfunction, the tempera-  
ture of the heat roller goes abnormally high. At this time, the resistance value of the thermister becomes  
low.  
When the resistance value of the thermister becomes low, the electric potential of the circled A gets low,  
and when the temperature goes over the certain temperature, the comparator (U11) gets a low output.  
As a result, even though the fuser port is abnormally activated, it is disable to be over the regular tem-  
perature. For maintaining a regular temperature, a protect circuit consists in it (This protection is set up  
to start operating at the rage between 205°~210°)  
12.1.2 PWM Controller  
Function Description  
PWM TIMER consists of each sub block which has various functions. The sub block is divided based on  
this block diagram. The entire diagram of the PWMTIMER is organized as below.  
PWM TIMER OPERATION is figured out if calculating PHCLK by the value selected by the register setting  
and the divider. PHCLK is created by count block at the PWM TIMER  
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Circuit Description  
12.1.3 Motor Driver  
A motor drive circuit is decided when selecting a driver IC. (Supplied by vendor) ML1610 uses the motor driver IC of  
AN44060. However, the sensing resistance Rs value and the Vreference resistance value are variable according to  
the motor drive current value.  
12.1.4 LSU Controller  
The laser scanning unit controller (LSUC) of Jupiter4E is a block for interface between PVC block and LSU.  
LSUC sends the video data received from PVC and the laser diode turn On/Off signal created by inner 21 bit counter  
to the laser diode of LSU. LSU creates the horizontal sync signal (nHSYNC) by sensing the inputted diode turn on/off  
signal with the attached sensor. nHSYNC is inputted to PVC and LSUC as a signal that informs the beginning of one  
line. Also, LSU makes the activity of nLREADY signal (ready to print) low when the polygon motor becomes regular-  
ly rotating. LSU can recognize the regular rotation status of the polygon motor by reading nLREADYFlag bit in SFR.  
Once the polygon motor regularly rotates, it sends the page sync signal (nPSync) to PVC by writing ‘1’ at LSUCON[5]  
in LSUC, and PVC starts operating for one page printing. After that, every time nHSYNC signal is created, PVC sens-  
es the signal and outputs the video data (PVC_VDO) to LSUC. At this time, LSUC creates the video window (Printing  
area) and masks it on the video data sent by PVC. LSUC sends the completed video data (LSU_VDO) to the laser  
diode in LSU.  
Also, LSUC supplies LSU_CLK, created by counting the system clock with the operation clock source of LSU, for the  
use of substitution for oscillator. The SFR is set up in IsuSfr block by receiving the bus control signal from APB bus,  
and the settled register values are redelivered to IsuCon block. IsuCon block creates a signal for controlling the laser  
diode of LSU and outputs it to a pad. The digital filter module is a digital filter to provide against the noise loaded in  
nHSYNC and nLREADY signal which directly get into the chip. It is three layer filter, and the delay time is 3*System  
Clock Time.  
The interface between PVC and LSUC is shown in the picture.  
LSUC  
LSU_VDO  
0
nHSYNC  
LSU_VDO  
nHSYNC  
1
PVC_VDO  
nPSync  
PVC_TEST_EN  
PVC  
nLSYNC  
PVC_TEST_EN  
nFSYNC  
1
0
VDO  
nFSYNC  
Service Manual  
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Circuit Description  
LSUC  
nLREADY  
nHSYNC  
DigiFilter  
nLREADY_FO  
DigiFilter  
nHSYNC_FO  
nLREADYFlag  
flagClear  
ENGINE  
lsu Con  
lsuControl[8:0]  
lsuSfr  
windowOnTime[20:0]  
windowOffTime[20:0]  
ldOnTime[20:0]  
LSU_CLK  
LSU_VDO  
PWRITE  
ldOffTime[20:0]  
patternDuty[9:0]  
lsuClkDuty[18:0]  
SHOnTime[20:0]  
SHOffTime[20:0]  
PSEL  
PENABLE  
APB  
PADDR[4:0]  
PWDATA[31:0]  
PRDATA[31:0]  
BRIDGE  
DAC_OUT  
DAC  
APCCON[11:0]  
apcOnTime[20:0]  
apcOffTime[20:0]  
Pmax[9:0]  
nPSync  
PD  
PVC  
THER  
ADC  
PI  
Control  
Block  
Pmin[9:0]  
Ka[14:0]  
THV  
REF[24:0]  
Kp[15:0]  
Ki[4:0]  
CKIN.  
ADC_EN  
SEL[1:0]  
Ky  
YMAXH[8:0]  
YMAXL[31:0]  
YMINH[8:0]  
YMINL[31:0]  
YINITH[8:0]  
ADO_2[9:0]  
apcOn  
ADC  
Controller  
YINITL[31:0]  
KU[5:0]  
U_VALUE[25:0]  
SEH[4:0]  
SEL[4:0]  
L_VALUE[9:0]  
HCLR[20:0]  
Service Manual  
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Circuit Description  
The main signals used in LSU Controller are shown in the table.  
Name  
Direction  
Description  
PVC-VDO  
nLREADY  
nHSYNC  
nPSync  
I
I
The video data output from PVC.  
Its activity becomes low as the polygon motor of LSU gets the regular speed.  
It informs the beginning of one line. It is the same as nLSYNC of PVC.  
It is inputted to nFSync of PVC.  
I
0
0
LSU_VDO  
The completed video data output by masking video window on PVC_VOD.  
Laser Diode & Window On/Off Time  
first field  
second field  
nHSYNC  
windowOn  
ldOn  
windowOnTime  
windowOffTime  
ldOnTime  
ldOffTime  
testPattern  
pattern start  
counter start  
PVC_DVO  
12.1.5 ADC Controller  
Jupiter4E ADC Controller has 3 analog input channels.  
It automatically converts the 3 channels in turns with 10 bit 500KSPS adc1275x_pc, and also it makes the conversion  
on the desired time by manually controlling STC of the register. After finishing the conversion, it makes the interrup-  
tion to be pending. When AD conversion of 3 rd channel ends for the PI Control of LSU, it sends the 10bit digital data  
converted with the latch short pulse signal to LSUC.  
Service Manual  
12-6  
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