Sharp Fax Machine FO 5700U User Manual

FO-5700U  
SERVICE MANUAL  
No. 00ZFO5700USME  
FACSIMILE  
MODEL FO-5700  
Illustration: FO-5700  
In this Service Manual for FO-5700U which is provided with 2nd. cassette (FO-47UC) and memory PWB (FO-1MK),  
only the information which differs from that for FO-4700U/FO-47UC already issed is contained. For the information not  
contained, refer to the Service Manual for FO-4700U/FO-47UC (00ZFO4700USME) and FO-1MK  
(00ZFO1MKCUSME).  
Difference between FO-4700U and FO-5700U  
FO-4700U  
FO-5700U  
OPTION  
(FO-47UC)  
2nd. cassette  
STANDARD EQUIPMENT  
OPTION  
Memory PWB  
STANDARD EQUIPMENT  
DCEKC489MXHZZ  
(FO-1MK)  
Control PWB unit  
DCEKC082MXHZZ  
CAUTION  
This laser facsimile is a class 1 laser product that complies with 21CFR 1040.10 and 1040.11 of the CDRH or IEC60825-1 standard.  
This means that this machine does not produce a hazardous laser radiation. The use of controls, adjustments or performance of  
procedures other than those specified herein may result in hazardous radiation exposure.  
This laser radiation is not a danger to the skin, but when an exact focusing of the laser beam is achieved on the eyes retina, there is  
danger of spot damage to the retina.  
The following cautions must be observed to avoid exposure of the laser beam to your eyes at the time of servicing.  
1) When a problem in the laser optical unit has occurred, the whole optical unit must be exchanged as a unit, not an individual part.  
2) Do not look into the machine with the main switch turned on after removing the toner/developer unit and drum cartridge.  
3) Do not look into the laser beam exposure slit of the laser optical unit with the connector connected when removing and installing  
the optical system.  
4) The cover of Laser Printer Unit contains the safety interlock switch.  
Do not defeat the safety interlock by inserting wedges or other items into the switch slot.  
Laser Wave Length : 770-810 mm  
Laser Pulse Times : 49.2 µs  
Laser Output Power : 0.37 mW  
Parts marked with " " is important for maintaining the safety of the set. Be sure to replace these parts with specified ones for maintain-  
ing the safety and performance of the set.  
This document has been published to be used  
for after sales service only.  
The contents are subject to change without notice.  
SHARP CORPORATION  
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FO-5700U  
CONTENTS  
CHAPTER 1. GENERAL DESCRIPTION  
[1] Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1  
[2] Refer to the service manual of FO-4700U/FO-47UC  
[3] Refer to the service manual of FO-4700U/FO-47UC  
[4] Refer to the service manual of FO-4700U/FO-47UC  
[5] Refer to the service manual of FO-4700U/FO-47UC  
CHAPTER 2. ADJUSTMENTS  
[1] Adjustments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1  
[2] Diagnostics and service soft switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2  
[3] Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-35  
[4] Error code table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-36  
CHAPTER 3. MECHANICAL DESCRIPTION  
[1] Refer to the service manual of FO-4700U/FO-47UC  
[2] Refer to the service manual of FO-4700U/FO-47UC  
[3] Refer to the service manual of FO-4700U/FO-47UC  
[4] How to install the verification stamp (FO-45VS) refer to the service manual supplement of FO-4700U/FO-47UC  
CHAPTER 4. DIAGRAMS  
[1] Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1  
[2] Wiring diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-2  
[3] Point-to-point diagram and connector signal name . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-3  
CHAPTER 5. CIRCUIT DESCRIPTION  
[1] Circuit description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-1  
[2] Circuit description of control PWB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-1  
[2-1] Circuit description of memory PWB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-19  
[3] Refer to the service manual of FO-4700U/FO-47UC  
[4] Refer to the service manual of FO-4700U/FO-47UC  
[5] Refer to the service manual of FO-4700U/FO-47UC  
[6] Refer to the service manual of FO-4700U/FO-47UC  
CHAPTER 6. CIRCUIT SCHEMATICS AND PARTS LAYOUT  
[1] Control PWB circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-1  
[2] LIU PWB circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-19  
[3] Printer PWB circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-21  
[4] Power supply PWB circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-25  
[5] Operation panel PWB circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-27  
[6] High voltage PWB circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-29  
[7] Toner empty PWB circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-31  
[8] 2nd. cassette PWB circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-32  
[9] Memory PWB circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-34  
CHAPTER 7. OPERATION FLOWCHART  
[1] Refer to the service manual of FO-4700U/FO-47UC  
[2] Refer to the service manual of FO-4700U/FO-47UC  
CHAPTER 8. OTHERS  
[1] Refer to the service manual of FO-4700U/FO-47UC  
[2] Refer to the service manual of FO-4700U/FO-47UC  
PARTS GUIDE  
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FO-5700U  
CHAPTER 1. GENERAL DESCRIPTION  
[1] Specifications  
• GENERAL  
Effective Scanning width 8.3" (210 mm) max.  
Automatic dialing  
Rapid Key Dialing: 48 numbers  
Speed Dialing: 100 numbers  
Effective Printing width  
Reception modes  
Instascan speed  
Full Dual Access  
Copy function  
8.0" (203 mm) max.  
Auto/Manual  
Memory size*  
Modem speed  
2 MB (approx. 116 pages with ECM off)  
30 ppm (letter paper)  
Yes  
33,600 bps (max.)  
Automatic fallback to lower speeds.  
Transmission time*  
Approx. 2 seconds  
Single/Multi/Sort (99 copies/page)  
120 V AC, 60 Hz  
50 - 86°F (10 - 30°C)  
20 to 85% RH  
Toner cartridge yield  
(4% page coverage)  
Initial starter cartridge (included with  
fax machine): 3000 pages (avg.)  
(letter paper)  
Replacement cartridge (FO-47ND):  
6000 pages (avg.) (letter paper)  
Power requirements  
Operating temperature  
Humidity  
Drum cartridge yield  
Resolution  
Initial starter cartridge (included with  
fax machine): 20,000 pages (avg.)  
Replacement cartridge (FO-47DR):  
20,000 pages (avg.)  
Power consumption  
Standby: 12 W  
Maximum: 580 W  
Dimensions  
Weight  
Width: 18.1" (460 mm)  
Depth: 15.2" (385 mm)  
Height: 15.4" (390 mm)  
Horizontal: 203 pels/inch (8 pels/mm)  
Vertical:  
Standard: 98 lines/inch (3.85 lines/mm)  
Fine /Halftone:  
Approx. 41.0 Ibs.(18.6kg)  
196 lines/inch (7.7 lines/mm)  
Super fine:  
*
Based on ITU-T (CCITT) Test Chart #1 at standard resolution in Sharp  
special mode, excluding time for protocol signals (i.e., ITU-T phase C  
time only).  
391 lines/inch (15.4 lines mm)  
Automatic document  
feeder  
50 pages max. (20 lb letter paper)  
750 sheets (tray and cassette)  
Option  
Paper capacity  
: FO-47ND  
: FO-47DR  
: FO-47IF  
: FO-3MK  
: FO-45VS  
Toner cartridge  
Drum cartridge  
PC interface  
Compression scheme  
MMR, MR, MH, Sharp (H2)  
(Also supports JBIG)  
Halftone (grayscale)  
64 levels  
Applicable telephone line Public switched telephone network  
Option memory  
Verification stamp  
Compatibility  
ITU-T (CCITT) G3 mode  
Printing resolution  
Horizontal: 406 lines/inch  
(16 lines/mm)  
Vertical: 391 lines/inch  
(15.4 lines/mm)  
PC Printing: 600 dpi  
Input document size  
Automatic feeding:  
Width: 5.8 to 10.1" (148 to 256 mm)  
Length: 5.0 to 14.3" (128 to 364 mm)  
Manual feeding:  
Width: 5.8 to 11.0" (148 to 279 mm)  
Length: 5.0 to 17.0" (128 to 432 mm)  
Note: This facsimile machine is Year 2000 compliant.  
<IMPORTANT PLEASE READ FIRST>  
To avoid problems with supplies, please don’t use supplies from other units. Please use new supplies, when supply changes are required.  
1 – 1  
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