18. Jam Display Field Service Ver. 1.0 Aug. 2005
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Troubleshooting
18.3.9 Misfeed at Tray 3 take-up/Vertical Transport section (PC-202)
A. Detection Timing
B. Action
Type Description
Detection of misfeed at
Tray 3 take-up/Vertical
Transport section
The leading edge of the paper does not block the Tray3 Vertical Convey-
ance Sensor (PC117-PF) even after the set period of time has elapsed
after the Tray3 Paper Feed Motor (M122-PF) has been energized.
The Vertical Conveyance Sensor (PC2) is not blocked even after the set
period of time has elapsed after the Tray3 Vertical Conveyance Sensor
(PC117-PF) is blocked by the paper.
The Tray3 Vertical Conveyance Sensor (PC117-PF) is not unblocked even
after the set period of time has elapsed after the Tray3 Vertical Conveyance
Sensor (PC117-PF) has been blocked by the paper.
Detection of paper left in
Tray 3 take-up/Vertical
Transport section
The Tray3 Vertical Conveyance Sensor (PC117-PF) 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.
The Tray3 Paper Take-Up Sensor (PC116-PF) 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
Tray3 Paper Take-Up Sensor (PC116-PF)
Tray3 Vertical Conveyance Sensor (PC117-PF)
Vertical Conveyance Sensor (PC2)
Tray3 Paper Feed Motor (M122-PF)
Main Control Board (PWB-C2 PF)
Step Action
WIRING DIAGRAM
Control Signal
Location
(Electrical
Component)
1 Initial check items - -
2 PC116-PF I/O check
☞ See PC-102/PC-202 Service
Manual.
3 PC117-PF I/O check
4 PC2 I/O check
5 M122-PF operation check
6 Change PWB-C2 PF - -
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