Field Service Ver. 2.5 Jul. 2006
17.3.10
Misfeed at Tray 4 take-up/Vertical Transport section (PC-202)
A. Detection Timing
Type
Detection of misfeed at
Tray 4 take-up/Vertical
Transport section
Detection of paper left in
Tray 4 take-up/Vertical
Transport section
B. Action
Tray4 Paper Take-Up Sensor (PC125-PF)
Tray4 Vertical Conveyance Sensor (PC126-PF)
Tray3 Vertical Conveyance Sensor (PC117-PF)
Tray4 Paper Feed Motor (M123-PF)
Step
1
Initial check items
2
PC125-PF I/O check
3
PC126-PF I/O check
4
PC117-PF I/O check
5
M123-PF operation check
6
Change PWB-C2 PF
The leading edge of the paper does not block the Tray4 Vertical Convey-
ance Sensor (PC126-PF) even after the set period of time has elapsed
after the Tray4 Paper Feed Motor (M123-PF) has been energized.
The Tray3 Vertical Conveyance Sensor (PC117-PF) is not blocked even
after the set period of time has elapsed after the Tray4 Vertical Conveyance
Sensor (PC126-PF) is blocked by the paper.
The Tray4 Vertical Conveyance Sensor (PC126-PF) is not unblocked even
after the set period of time has elapsed after the Tray4 Vertical Conveyance
Sensor (PC126-PF) has been blocked by the paper.
The Tray4 Vertical Conveyance Sensor (PC126-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 Tray4 Paper Take-Up Sensor (PC125-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
Main Control Board (PWB-C2 PF)
Action
17. Jam Display
Description
WIRING DIAGRAM
Control Signal
-
See P.25 of the PC-102/PC-202 service
manual.
-
Location
(Electrical
Component)
-
-
237