Konica Minolta Bizhub-C31P, Service Manual, Page: 359 / 370

3. Jam display Field Service V er. 1.0 Apr. 200 8
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Stap
le
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n
isher
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roubleshooting
3.3.6 Main tray section misfeed
A. Detection timing
B. Action
Type Description
Main tray section misfeed
detection
The storage section sensor (PS7) is not blocked even after the set period
of time has elapsed after the entrance sensor (PS1) has been unblocked
by the media.
The storage section sensor (PS7) is not unblocked even after the set
period of time has elapsed after the entrance sensor (PS1) has been
blocked by the media.
Detection of media left in
main tray section
The storage section sensor (PS7) is blocked when the main switch is set
to ON, a door or cover is opened and closed, or a misfeed or malfunction
is reset.
Relevant electrical parts
Entrance sensor (PS1)
Storage section sensor (PS7) FS control board (FSCB)
Step Action
WIRING DIAGRAM
Control signal
Location
(electrical com-
ponent)
1 Check the initial check items.
⎯ ⎯
2 PS1 I/O, sensor check FSCB CN10-3 (ON) B-4
3 PS7 I/O, sensor check FSCB CN9-3 (ON) B-4
4 FSCB replacement
⎯ ⎯