Tray3 Paper Take-Up Section/Vertical Transport Section Misfeed (Pc-102/Pc-202) - Konica Minolta bizhub 250 Service Manual

7. Jam Display
7.3.2 Tray3 Paper Take-Up section/Vertical Transport section misfeed (PC-102/
PC-202)
A. Detection timing
Type
Tray3 Paper Take-Up section/
Vertical transport section
misfeed detection
Tray3 detection of paper
remaining
B. Action
Tray3 Paper Take-Up Sensor (PC116-PF)
Tray3 Vertical Conveyance Sensor (PC117-PF)
Vertical Conveyance Sensor (PC2)
Tray3 Paper Feed Motor (M122-PF)
Step
1 Initial check items
2 PC116-PF sensor check
3 PC117-PF sensor check
4 PC2 sensor check
5 M122-PF operation check
6 PWB-C2 PF replacement
24
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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) is energized.
The Vertical Conveyance Sensor (PC2) is not blocked even after the
lapse of a given period of time after the Tray3 Vertical Conveyance Sen-
sor (PC117-PF) has been blocked by a paper.
The Tray3 Vertical Conveyance Sensor (PC117-PF) is not unblocked
even after the lapse of a given period of time after PC117-PF has been
blocked by a paper.
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
misfeed or malfunction is reset.
Relevant electrical parts
Action
Field Service Ver. 1.0 Aug. 2005
Description
Main Control Board (PWB-C2 PF)
WIRING DIAGRAM
Control signal
-
PWB-C2 PF PJ6C2 PF-8 (ON)
PWB-C2 PF PJ6C2 PF-11 (ON)
PWB-A PJ22A-9 (ON)
PWB-C2 PF PJ5C2 PF-1 to 4
-
Location (Electrical
components)
-
PC-202 C-4
PC-202 C-4
D-7
PC-202 C-4
-