Field Service Ver. 1.0 Aug. 2005 18. Jam Display
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Troubleshooting
18.3.4 Misfeed at Fusing/Paper Exit section
A. Detection Timing
B. Action
Type Description
Detection of misfeed at
Fusing/Paper Exit section
The Paper Exit Sensor (PC4) is not unblocked even after the set period of
time has elapsed after the Synchronizing Roller Sensor (PC1) has been
blocked by the paper.
The Switch Back Unit Sensor (PC26) is not unblocked even after the set
period of time has elapsed after the Paper Exit Sensor (PC4) has been
unblocked by the paper.
Detection of paper left in
Fusing/Paper Exit section
The Paper Exit Sensor (PC4) 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)
Switch Back Unit Sensor (PC26)
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 PC26 I/O check PWB-A PJ19A-9 (ON) M-5
5 Change PWB-A - -
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