Field Service Ver. 1.0 Aug. 2005 18. Jam Display
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Troubleshooting
18.3.6 Misfeed at Duplex Unit take-up section
A. Detection Timing
B. Action
Type Description
Detection of misfeed at
Duplex Unit take-up
section
The Synchronizing Roller Sensor (PC1) is not blocked even after the set
period of time has elapsed after the Duplex Unit Lower Transport Sensor
(PC25) has been blocked by the paper.
Detection of paper left in
Duplex Unit take-up
section
The Duplex Unit Lower Transport Sensor (PC25) is blocked when the Main
Power Switch is set to ON, a door or cover is opened and closed, or a mis-
feed or malfunction is reset.
Relevant Electrical Parts
Synchronizing Roller Sensor (PC1)
Duplex Unit Lower Transport Sensor (PC25)
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 PC25 I/O check PWB-A PJ20A-8 (ON) M-16
4 Change PWB-A - -