Misfeed At The Tray 3/ Tray 4 Vertical Transport Section - Konica Minolta Bizhub-C31P Service Manual

Field Service Ver. 1.0 Apr. 2008
6.4.3

Misfeed at the tray 3/ tray 4 vertical transport section

A. Detection timing
Type
The media does not block the registration sensor (PS4) even after the lapse of a
Detection of mis-
given period of time after it has blocked the media feed sensor (PS2).
feed at tray 3
vertical transport
The media does not unblock the media feed sensor (PS2) even after the lapse of
section
a given period of time after it has blocked the media feed sensor (PS2).
The media does not block the media feed sensor (PS2) of tray 3 even after the
Detection of mis-
lapse of a given period of time after it has blocked the media feed sensor (PS2).
feed at tray 4
vertical transport
The media does not unblock the media feed sensor (PS2) even after the lapse of
section
a given period of time after it has blocked the media feed sensor (PS2).
B. Action
Media feed sensor (PS2)
Registration sensor (PS4)
Transport motor (M1)
Step
1 Initial check items
2 PS2 sensor check
3 PS4 sensor check
4 M1 operation check
5 Change PCCB.
6 Change PRCB.
Relevant electrical parts
Action
Description
PC control board (PCCB)
Print control board (PRCB)
WIRING DIAGRAM
Control signal
⎯
PCCB PJ5-6 (ON)
PRCB PJ15-3 (ON)
PCCB PJ3-1 to 4
⎯
⎯
6. Jam display
Location
(electrical com-
ponent)
⎯
B to C-4
C-3 (main body)
B to C-5
⎯
⎯
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