Star Micronics Printer PR921 24 A User Manual

PRESENTER UNIT  
PR921-24-A  
SPECIFICATION MANUAL  
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CONTENTS  
1. GENERAL DESCRIPTION ................................................................................................................ 1  
1.1  
Model Name Display Directions ............................................................................................. 1  
2. PRINTER CONFIGURATION ........................................................................................................... 2  
3. PAPER SPECIFICATIONS (HEAT SENSITIVE PAPER)............................................................. 3  
4. PRESENTER SPECIFICATIONS...................................................................................................... 4  
4.1  
4.2  
4.3  
4.4  
4.5  
Basic Operations ...................................................................................................................... 4  
Operating Sequence ................................................................................................................. 4  
Paper Detector General Specifications .................................................................................... 8  
Presenter Motor General Specifications .................................................................................. 9  
Connector ............................................................................................................................... 10  
5. EXTERNAL SPECIFICATIONS ..................................................................................................... 12  
6. AMBIENT SPECIFICATIONS......................................................................................................... 15  
7. RELIABILITY SPECIFICATIONS ................................................................................................. 16  
8. SETTING PAPER............................................................................................................................... 17  
8.1  
8.2  
Setting Paper .......................................................................................................................... 17  
Using the Accessories (Weight Shaft and Loop Guide) ........................................................ 18  
9. RECOVERING FROM ERRORS (PAPER JAMS) ....................................................................... 21  
10.PRECAUTIONS REGARDING OUTER COVER DESIGNS ...................................................... 23  
11.MAINTENANCE ................................................................................................................................ 25  
12.OTHER PRECAUTIONS .................................................................................................................. 26  
12.1 Precautions in Handling ......................................................................................................... 26  
12.2 Precautions Relating to Safty ................................................................................................. 26  
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1. GENERAL DESCRIPTION  
The PR921 is a paper (receipts, etc.) discharging device that uses a built-in thermal printer system employed  
in electronic devices such as game machines, ATM and unmanned information kiosk terminals, etc.  
This model carries a paper (receipts, etc.) recovery function after discharge, as a standard.  
1.1 Model Name Display Directions  
P R 9 2 1 - 2 4 - A  
1
2
3
4
5
6
1
PR : Presenter  
9 : 900 Series  
2
3
4
5
6
2 : No cutter, horizontal discharge  
1 : Standard (Used with TMP)  
24 : DC 24 V Specifications  
A : Sold Separately  
– 1 –  
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2. PRINTER CONFIGURATION  
The presenter mechanism is composed of the following devices.  
Presenter Mechanism  
Drive Unit  
Detector  
PF Roller  
Paper Detector 1 (Reflective Photo-interrupter)  
Paper Detector 2 (Reflective Photo-interrupter)  
Paper Detector 3 (Reflective Photo-interrupter)  
2 –  
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3. PAPER SPECIFICATIONS (HEAT SENSITIVE PAPER)  
±
±
(1) Paper Width : 79.5 0.5 mm to 111.5 0.5 mm  
(2) Allowable Sheet Length : 75 to 300 mm  
(3) Recommended Heat Sensitive Paper : According to product specifications for TMP942-24-A.  
(4) Paper Thickness : 0.065 mm to 0.150 mm  
(5) Shaft Core Diameter : When paper thickness is Min. 0.065 mm to 0.10 mm  
Shaft core inner diameter: Min. 25.4 ±1 mm;  
Shaft core outer diameter: Min. 31.4 ±1 mm  
When paper thickness is Min. 0.10 mm to 0.15 mm  
Shaft core inner diameter: Min. 50.8 ±1 mm;  
Shaft core outer diameter: Min. 56.8 ±1 mm  
(6) Paper Curl Direction : Set the paper so that the printing side is facing the outside when taken up  
on the roll.  
Note 1: Paper jams can occur if paper outside of the specifications describe above is use.  
(7) Non-printing Region on Back Side :  
25 mm  
Center of presenter paper discharge outlet  
10 mm  
The front side of the  
paper is the printing surface.  
Paper discharge direction  
Paper back side  
Non-printing region (Back side)  
79 mm  
(Minimum paper width)  
112 mm  
(Maximum paper width)  
Note 2: When using paper outside of the specifications describe above, the paper  
detector(sensor) may mis-detect the paper or may not detect the paper at all.  
– 3 –  
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4. PRESENTER SPECIFICATIONS  
4.1 Basic Operations  
a. Paper is not discharged from the printer while printing.  
b. After printing is completed, the presenter roller rotates to discharge the paper.  
c. The roller stops when the detector has detected the trailing edge of the paper.  
(Paper discharge completed)  
d. The next print job can be started by the user removing the paper from the printer.  
e. The recovery command or a timer can be used to recover the paper if it is not removed.  
4.2 Operating Sequence  
Presenter Inlet  
Sensor 1  
Paper Feed Direction  
Presenter Outlet  
Recovery  
Direction  
Sensor 3 Sensor 2  
PF Roller  
Sensor 1: Sensor for detecting leading edge and trailing edge of paper.  
Sensor 2: Sensor for detecting leading edge of paper.  
Sensor 3: Sensor for determining recovery  
(63.6 mm)  
7.8 mm  
4.9 mm  
30. 6 mm  
13.1 mm  
7.2 mm  
Paper Position  
Sensor 2  
Sensor 3  
Presenter Outlet  
Sensor 1  
Presenter Inlet  
PF Roller  
4 –  
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(1) Paper is discharged and the trailing edge of the paper is stopped in front of the PF roller.  
Presenter Inlet  
Presenter Outlet  
Paper Position  
200 ms  
CW  
DC Motor  
2
4
CCW  
Terminal Shorted and  
Motor Stopped  
ON  
Sensor 1  
1
OFF  
ON  
Sensor 2  
OFF  
3
Sensor 3  
No Discrimination  
1 Sensor 1 detects leading edge of paper and sensor 1 turns ON.  
2 Sensor 1 turns ON, DC motor starts rotating clockwise.  
3 Sensor 2 detects leading edge of paper and sensor 2 turns ON.  
4 Sensor 2 turns ON, DC motor is braked for 200 ms and stopped.  
5 –  
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(2) Paper Discharge Until Paper Trailing Edge is Stopped Before PF Roller  
Presenter Inlet  
Presenter Outlet  
Paper Position  
200 ms  
CW  
5
8
DC Motor  
CCW  
Terminal Shorted and  
Motor Stopped  
7
ON  
6
Sensor 1  
OFF  
ON  
Sensor 2  
OFF  
Sensor 3  
No Discrimination  
5 DC motor rotates clockwise by the paper discharge instruction.  
6 Sensor 1 detects trailing edge of paper and sensor 1 turns OFF.  
7 Sensor 1 turns OFF, paper is fed 1.2 mm.  
8 After feeding paper 1.2 mm, DC motor is braked for 200 ms and stopped.  
Note:  
The amount of time required for feeding paper 1.2 mm in step 7, above, is logically 4 ms  
with a paper discharge speed of 300 m/s.  
6 –  
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(3) Paper Recovery Operation  
If the sensor 2 and sensor 3 detection signals are ON after a determined amount of time has passed,  
the paper recovery operation is performed.  
Presenter Outlet  
Presenter Inlet  
Paper Position  
1 s  
200 ms  
CW  
DC Motor  
9
12  
CCW  
Terminal Shorted and  
Motor Stopped  
ON  
Sensor 1  
OFF  
ON  
11  
Sensor 2  
OFF  
ON  
10  
Sensor 3  
OFF  
26 ms  
Sensor 3 turns OFF, then, if sensor 2 turns OFF,  
it is determined that the paper has been  
recovered. Under all other conditions, it is  
considered that paper has been pulled out.  
9 DC motor rotates counterclockwise by the paper recovery instruction.  
0 Sensor 3 detects trailing edge of paper and sensor 3 turns OFF.  
A Sensor 2 detects trailing edge of paper and sensor 3 turns OFF.  
B 1 second after sensor 2 turns OFF, DC motor is braked for 200 ms and stopped.  
Note:  
The distance between sensor 2 and sensor 3 is 7.8 mm. Therefore, the amount of time  
required for sensor 2 to turn OFF after sensor 3 turns OFF is 26 ms. It is necessary to  
enable detection in that amount of time.  
– 7 –  
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4.3 Paper Detector General Specifications  
The paper detector is composed of a reflective sensor and generates a set/reset signal.  
Absolute Maximum Rating (at 25°C)  
Items  
Reverse Voltage  
Symbol  
VR  
Rating  
Units  
V
6
Forward Current  
IF  
50  
mA  
mW  
V
Tolerance Loss  
PD  
75  
35  
Voltage Between Collector - Emulator  
Collector Current  
VCE0  
IC  
20  
mA  
mW  
mW  
°C  
Collector Loss  
PC  
75  
Total Tolerance Loss  
Operating Temperature  
Storage Temperature  
* Soldering Temperature  
* Soldering Time: Within 5 seconds  
Ptot  
Topt  
Tstg  
Tsol  
100  
-25 to +85  
-40 to +100  
260  
°C  
°C  
Electrical Characteristics (at 25°C)  
Item  
Symbol  
VF  
Conditions  
MIN  
TYP  
1.2  
MAX  
Units  
V
Forward Voltage  
Reverse Current  
IF = 20 mA  
VR = 3 V  
1.4  
10  
IR  
µm  
Dark Current  
ICEO VCE = 20 V  
1
100  
nA  
Optical Current  
IC  
IF =20 mA, VCE =5V  
1.0  
3.0  
500  
150  
150  
mA  
nA  
µs  
* 1 Leaked Current  
Response Time (Rise)  
Ileak IF =20 mA, VCE = 5V  
VCE=2V, IC=100 µA  
RL =1000,D =4mm  
(*2)  
tr  
tf  
50  
50  
Response Time (Fall)  
µs  
*1: No reflective material.  
*2: D is the thickness of the reflective mirror glass.  
8 –  
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4.4 Presenter Motor General Specifications  
Model:  
Mabuchi Motor FK-180SH  
24.0 V  
Rated Voltage:  
Voltage Range for Use: 21.6 V to 26.4 V (24.0 V ±10%)  
Peak Current:  
Approximately 1.0 A (24 VDC, 25°C)  
Average Current:  
Approximately 0.2 A (24 VDC, 25°C, including at startup.)  
Current (A)  
Time (T)  
Usage Temperature Range: -15°C to +60°C  
No Load Current:  
Max. 30 mA  
±
No Load Revolutions:  
Rated Load Current:  
Rated Load Revolutions:  
Direction of Rotation:  
6600 850 rpm  
Max. 110 mA  
±
5000 650 rpm  
At Discharge: CW (Clockwise direction when looking from the motor output  
shaft.)  
At Recovery: CCW (Counterclockwise when looking from the motor  
outputshaft.)  
DC Motor Drive  
Speed Control:  
Drive and Control: Voltage (24.0 V) is applied to the DC motor when stopped to start it.  
Brake Control: Stops by shorting terminals. Shorting time is 200 ms.  
None  
Paper Discharge Speed: 300 mm/sec  
Note 1: The above paper discharge speed reflects the value for recommended paper (thickness  
of 65 mm) and a receipt length of 75 mm.  
Note 2: The above paper discharge speed varies according to the environment of use (tempera-  
ture, humidity, power voltage fluctuations, etc.).  
9 –  
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4.5 Connector  
4.5.1 Paper Detector and Motor  
Connector 2  
Connector 2  
Presenter Intermediate Board  
Pin #8: GND  
Black  
8
8
7
6
5
8
7
6
5
Pin #7: Sensor 3  
+
Black  
Black  
Black  
Black  
Black  
Black  
White  
Detection signal  
7
6
5
DC Motor  
Pin #6: Motor(+)  
-
Pin #5: Motor(  
-)  
330  
330 Ω  
330 Ω  
Sensor PCB  
Sensor 3  
Pin #4: Sensor 2  
Detection signal  
4
4
3
2
1
4
3
2
1
Pin #3: GND  
3
2
1
GP2S40J  
Pin #2: Sensor 1  
Detection signal  
Sensor PCB  
Sensor 2  
Pin #1: +3.3 V  
GP2S40J  
350 mm  
Sensor PCB  
Sensor 1  
Connector 1  
GP2S40J  
Connector No.  
Connector 1  
Connector 2  
Manufacturer and Model No.  
Corresponding Connectors  
JST S 8B-PH-K-S (Side Type) JST PHR-8 (Housing)  
JST PHR-8 (Housing) JST S 8B - PH - K - S (Side Type)  
(Post standard with base)  
JST B 8B - PH - K - S (Top Type)  
(Post standard with base)  
JST S 8B - PH - KL (Side Type)  
(Post low check type with base)  
JST B 8B - PH - KL (Top Type)  
(Post low check type with base)  
JST S 8B - PH - SM2 - TB (Side Type)  
(Post with surface mount type base:with support bracket)  
JST B 8B - PH - SM2 - TB (Top Type)  
(Post with surface mount type base: withsupport bracket)  
10 –  
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4.5.2 Example Circuit  
B8B-PH-K-S  
7
TA8428K  
3
HS601  
1
VDD: 3.3V  
+
VCC  
VCC  
47U_35V  
1
2
5
6
PRM1  
PRM2  
IN1 OUTA  
IN2 OUTB  
M
-
6
M+  
GND  
4
8
2
4
7
GND  
SIG 1  
SIG 2  
SIG 3  
10K  
VDD: 3.3V  
M-GND  
HS601  
0R  
4.7K  
3
PRS0  
GND  
R
R
R
VDD: 3.3V  
4.7K  
PRS1ADJ  
VDD: 3.3V  
10K  
M-GND  
HA1 7339  
VDD: 3.3V  
3
-
+
2
68K  
C
PRS1  
0.1U  
1
12  
2
10K  
10K  
10K  
0R  
0R  
0R  
VDD: 3.3V  
VR_4.7K  
GND  
0.022U  
3
4.7K  
GND  
GND  
GND  
GND  
GND  
VDD: 3.3V  
4.7K  
PRS2ADJ  
10K  
HA1 7339  
VDD: 3.3V  
1
-
+
68K  
C
PRS2  
0.1U  
1
2
VDD: 3.3V  
VR_4.7K  
GND  
3
4.7K  
GND  
VDD: 3.3V  
4.7K  
PRS3ADJ  
10K  
HA1 7339  
VDD: 3.3V  
14  
-
+
68K  
C
PRS3  
0.1U  
1
2
VDD: 3.3V  
VR_4.7K  
GND  
3
4.7K  
GND  
Note:  
Parts marked with an asterisk are not mounted.  
11 –  
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5. EXTERNAL SPECIFICATIONS  
(1) External Dimensions  
See Figure 5-1  
(2) Weight:  
285 ±10g (Excluding peripheral devices)  
(3) External View  
See Figure 5-2  
12 –  
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✵✶✲✹  
✹✻  
✻✹  
Unit: mm  
Figure 5-1  
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Figure 5-2  
14 –  
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6. AMBIENT SPECIFICATIONS  
(1) During Operation  
Ambient Test (For Evaluation)  
Room Temperature :  
23°C at 50% RH  
High Temperature :  
50°C  
High Temperature/High Humidity : 37°C at 85% RH  
Low Temperature :  
Specifications  
Temperature :  
Humidity :  
0°C  
0°C to 50°C  
10% to 80% RH (No condensation)  
However, 80% RH assumes 34°C.  
(2) At Storage  
Storage Test (At Evaluation)  
High Temperature Storage :  
Low Temperature Storage :  
Humidity at Storage :  
Specifications  
60°C at 96 Hr  
-20°C at 96 Hr  
40°C at 90% RH  
Temperature :  
-20°C to 60°C  
Humidity :  
10% to 90% (No condensation)  
However, high temperature/high humidity of 40°C at 90%  
(with no condensation) is considered the worst values.  
– 15 –  
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7. RELIABILITY SPECIFICATIONS  
(1) Life  
Presentation System: 1 million times  
Note 1: If not using our recommended paper type, reliability cannot be guaranteed. Therefore,  
you should always use the recommended paper type.  
Note 2: This reliability is guaranteed for receipt lengths of 100 mm or less.  
(2) Vibrations/Shocks from Drops (In the order of drop, vibrations)  
1 Drop Shock Test  
Height of Drop :  
1 angle, 3 corners: 85 cm  
6 surfaces: 100 cm  
Direction of Drop :  
Number of Drops :  
Packing Status :  
1 angle; 3 corners; 6 surfaces  
Once each time (total of 10 drops)  
Minimum Packing Status  
2 Vibration Test  
Direction of Vibration :  
Vibration Frequency :  
Sweep Time :  
XYZ  
10 Hz to 55 Hz to 10 Hz  
1 minute  
Vibration Acceleration Speed : 0.3 to 9.3 G  
Charging Time :  
Packing Status :  
Total Vibrations :  
One Direction Two Hours (Total Six Hours)  
Minimum Packing Status  
Constant at 1.54 mm  
16 –  
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8. SETTING PAPER AND USING THE ACCESSORIES  
8.1 Setting Paper (See Figure 8-1)  
1) Cut the leading edge of paper to be set straight across the end.  
2) Insert the paper straight along the paper mounted thermal mechanism and between the presenter paper  
guide and paper holder.  
±0.5 mm  
111.5  
±0.5 mm  
79.5  
Paper Holder  
Paper Guide  
Paper Eject Direction  
Figure 8-1  
17 –  
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8.2 Using the Accessories (Weight Shaft and Loop Guide)  
Paper thickness: Min. 0.065 to Max. 0.10 mm. (See Figure 8-2)  
1) No shaft is used so fasten the 3 hooks in the 3 positions on the rear guide so that they do not get lost.  
2) Fasten the loop cutter to the cutter with the 2 accessory screws.  
1. Position the loop guide and cutter in positioners 1 and 2.  
2. Tighten the screw next to the positioner 1.  
3. While pulling the next loop guide in the direction of the arrow, tighten the screw next to the  
positioner 2 so that it does not flow therebetween the cutter (see Fig. 8-3)  
1
2
Paper Holder  
3
Hook  
Hook  
Screw TAT 3-6 CT-FL  
Shaft  
Rear Guide  
Hook  
Screw TAT 3-6 CT-FL  
Cutter  
Loop Guide  
Positioner 2  
Positioner 1  
Figure 8-2  
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3) Rotate the paper holder and set after checking that it does not interfere with the loop guide.  
Note:  
Floating therebetween the cutter can occur because of deformation in the loop guide  
caused by sudden environmental changes. (See fig. 8-3) If that should occur, follow the  
directions above for the mounting of the loop guide and remount it so that it does not  
float.  
[ If Floating Occurs Between the Loop Guide and Cutter ]  
Cutter  
Loop Guide  
Figure 8-3  
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Paper thickness: Min. 0.10 to Max. 0.15 mm. (See Figure 8-4)  
1) Fasten the shaft with the left and right hooks positioned on the Paper Holder.  
2) Check that the shaft is securely fastened to the Paper Holder hooks to set it.  
Note 1: The 2 positions of the Paper Holder should be adjusted for the thickness of the record-  
ing paper, the length thereof and the environment of use.  
Note 2: The loop guide is not used, so store it so that it will not get lost.  
Paper Holder  
1
Hook  
Hook  
Shaft  
2
3
Figure 8-4  
20 –  
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9. RECOVERING FROM ERRORS (PAPER JAMS)  
Remove jammed paper according to the directions shown in Figure 9-1 and 9-2 to recover from non-recov-  
erable paper jams. When doing so, always verify that the power has been turned OFF.  
(Procedure 1)  
1) Rotate the knob in the clockwise or counterclockwise direction.  
2) Remove the jammed sheet from where it is easiest to remove.  
(Paper inlet, discharge outlet, of the lower recovery space)  
Jammed Paper  
Inlet  
Rotate  
Discharge Outlet  
Remove jammed paper  
from the lower space.  
Knob  
Figure 9-1  
21 –  
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(Procedure 2: When Paper Cannot be Removed with Procedure 1)  
1) Remove the screws on both sides of the presenter, shown in the figure below.  
2) Rotate the rear guide and remove the jammed paper.  
3) After removing the jammed paper, reverse the procedure 2), then fasten the screws in their original  
positions.  
Note:  
When fastening the screws in procedure 3), be careful not to pinch the wires shown in  
the figure below.  
Rear Guide  
Rear Guide  
Rotate  
Rotate  
Wires  
Screw: TAT 2.6 FC-06.0 FP  
Screw: TAT 2.6 FC-06.0 FP  
Left side  
Right side  
Figure 9-2  
22 –  
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10. PRECAUTIONS REGARDING OUTER COVER DESIGNS  
To prevent jams at the presenter discharge outlet, consider designing the casing so that recording paper does  
not enter between the presenter unit and the case.  
1 Gap of *1 must be a maximum of 1 mm. (See Figure 10-1)  
2 The dimensions of *2 must be larger than the presenter discharge outlet (2 mm), but it should be  
small enough that it does not block the paper discharge outlet.(See Figure 10-1) If it is too large,  
interfering light (from the sun, etc.) will enter from outside of the apparatus from the recording  
paper outlet causing the paper detectors (sensors) to mis-operate, so do not make them too large.  
1) The casing for the recording paper discharge outlet should have an outlet portion established such as  
*3 so that coins and clips do not fall into the casing. (See Figure 10-1)  
2) Storage space for the recovery of recording paper should consider the length of the recording paper  
and degree of curling to all plenty of space. It is recommended to ensure approximately 100 mm or  
more space for storage depth. (See Figure 10-2)  
Case  
Presenter  
3
*
1
*
Figure 10-1  
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Mechanism  
Presenter  
Storage Space  
Depth: Max. Approx. 100 mm  
Figure 10-2  
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11. MAINTENANCE  
Perform the following maintenance periodically.  
Maintenance Periods:  
Every six months or after a million lines of printing.  
Location of Maintenance: Each detector and the vicinity  
Content of Maintenance: Clean away and paper dust or dirt and dust adhering to the detectors in the  
presenter.  
Note 1:  
Note 2:  
Always verify that the power supply has been turned OFF when performing maintenance on  
the presenter.  
Remove the two screws on both sides of the presenter, as shown in Figure 11, and rotate the  
rear guide upward to remove any dust and dirt on the paper detector in the presenter. After  
performing maintenance, return the rear guide to its original status and tighten the screws.  
When doing so, do not allow the screws to catch on the wires in the Figure 11.  
Screw: TAT 2.6 FC-06.0 FP  
Screw: TAT 2.6 FC-06.0 FP  
Wire  
Rear Guide  
Rear Guide  
Rotate  
Rotate  
Paper Detector  
Left side  
Right side  
Figure 11-1  
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12. HANDLING THE PRESENTER  
12.1 Precautions in Handling  
1) Do not store or use the printer in locations that are dusty, oily or exposed to metallic dust.  
2) Do not apply an unreasonable amount of force on the body.  
(This can disfigure the frame and lead to the printer not functioning properly.)  
3) Avoid sudden changes even if the ambient temperature and humidity are within standard conditions.  
Allow the printer to sit in its new environment for at least 30 minutes before use in the event there has  
been a sudden change.  
4) Do not use the printer in an environment where condensation has formed. If condensation should form,  
absolutely never turn ON the power until the condensation has dried.  
5) The setup angle for the presenter should be a maximum of ±5°, as shown in Figure 12.  
6) Paper transport and life cannot be guaranteed when using recording paper other than what is recom-  
mended.  
7) Be careful not to allow foreign matter to adhere to the recording paper.  
8) Be careful not to apply an excess amount of force on the cable connectors.  
9) When closing the presenter from an open state, verify that the presenter is securely locked before oper-  
ating.  
12.2 Precautions Relating to Safety  
1) After operation is completed, the surface of the motor can be very hot, so be careful never to touch it  
directly with your bare hands.  
2) When the presenter is operating, never touch the rotating members, such as the gears.  
3) Handle the presenter engine (the metallic portions) carefully because they can cause serious injury.  
4) To perform maintenance on the presenter, always verify that the power supply has been turned OFF.  
26 –  
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Figure 12  
27 –  
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ELECTRONIC PRODUCTS DIVISION  
STAR MICRONICS CO., LTD.  
536 Nanatsushinya,  
Shimizu, Shizuoka, 424-0066 Japan  
Tel : 0543-47-0112  
OVERSEAS SUBSIDIARY COMPANIES  
STAR MICRONICS AMERICA, INC.  
1150 King Georges Post Road, Edison,  
NJ 08837-3729 U.S.A.  
STAR MICRONICS U.K. LTD.  
Star House, Peregrine Business  
Park, Gomm Road, High Wycombe,  
Bucks, HP13 7DL, U.K.  
Tel : 732-623-5555  
Tel : 01494-471111  
Fax: 0543-48-5013  
Fax: 732-623-5590  
Fax: 01494-473333  
Please access the following URL  
for the lastest revision of the manual.  
Distributed by  
REV. 0.01 2002.11.10  
Printed in Japan, 80874475  
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