9. Jam Display Field Service Ver. 1.0 Aug. 2005
30
SD-502
Troubleshooting
9.3.4 Paper Bundle Exit Misfeed
A. Detection Timing
B. Action
Type Description
Paper Bundle misfeed
detection
The Storage Tray Detecting Sensor (PC8-FN) is not unblocked even after
the set period of time has elapsed after the Exit Motor (M1-FN) is ener-
gized.
The Saddle Exit Sensor (PC20-SK) is not blocked even after the set period
of time has elapsed after the Exit Motor (M1-FN) is energized.
The Saddle Exit Sensor (PC20-SK) is not unblocked even after the set
period of time has elapsed after the Saddle Exit Sensor (PC20-SK) is
blocked.
Relevant Electrical Parts
Exit Motor (M1-FN)
Saddle Exit Motor (M8-SK)
Storage Tray Detecting Sensor (PC8-FN)
Saddle Exit Sensor (PC20-SK)
Main Control Board (PWB-C SK)
Step Action
WIRING DIAGRAM
Control Signal
Location
(Electrical Component)
1 Initial check items - -
2 PC8-FN I/O check PWB-A FN PJ13A FN-8 (ON) FS-508 G-8
3 PC20-SK I/O check PWB-C SK PJ19C SK-8 (ON) SD-502 B-4
4 Change PWB-C SK - -
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