18. Jam Display Field Service Ver. 1.0 Aug. 2005
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Troubleshooting
18.3.3 Misfeed at Image Transfer section
A. Detection Timing
B. Action
Type Description
Detection of misfeed at
Image Transfer section
The Paper Exit Sensor (PC4) is not blocked even after the set period of
time has elapsed after the Synchronizing Roller Clutch (CL1) is set to OFF.
The Synchronizing Roller Sensor (PC1) is not blocked even after the set
period of time has elapsed after the sensor has been unblocked by the
paper.
Detection of paper left in
Image Transfer section
The Synchronizing Roller Sensor (PC1) is blocked when the Main Power
Switch is set to ON, a door or cover is opened and closed, or a misfeed or
malfunction is reset.
Relevant Electrical Parts
Synchronizing Roller Sensor (PC1)
Paper Exit Sensor (PC4)
Synchronizing Roller Clutch (CL1)
Mechanical Control Board (PWB-A)
Step Action
WIRING DIAGRAM
Control Signal
Location
(Electrical
Component)
1 Initial check items - -
2 PC1 I/O check PWB-A PJ11A-5 (ON) M-8
3 PC4 I/O check PWB-A PJ18A-11 (ON) M-12
4 CL1 operation check PWB-A PJ11A-2 (ON) M-9
5 Change PWB-A - -
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