Konica Minolta Bizhub-C31P, Service Manual, Page: 235 / 370

13. Jam display Field Service V er. 1.0 Apr. 200 8
198
bizhub C31P
T
roubleshooting
13.4.2 Misfeed at tray 2 media feed section
A. Detection timing
B. Action
13.4.3 Misfeed at tray1 media feed section
A. Detection timing
B. Action
Type Description
Detection of
misfeed at tray 2
media feed section • The media does not unblock the registration sensor (PS4) even after the lapse
of a given period of time after the media feed clutch/1 (CL1) is turned ON.
Relevant electrical parts
Registration sensor (PS4)
Media feed clutch/1 (CL1)
Intermediate transport motor (M3) Print control board (PRCB)
Step Action
WIRING DIAGRAM
Control signal
Location (electri-
cal component)
1 Initial check items
⎯ ⎯
2 PS4 sensor check PRCB PJ15-3 (ON) C-3
3 CL1 operation check PRCB PJ6-2 (ON) I-6
4 M3 operation check
PRCB PJ27-3 (REM)
PRCB PJ27-6 (LOCK)
C-5
5 Change PRCB.
⎯ ⎯
Type Description
Detection of tray 1
media feed section • The media does not unblock the registration sensor (PS4) even after the lapse
of a given period of time after the media feed clutch/2 (CL3) is turned ON.
Relevant electrical parts
Registration sensor (PS4)
Media feed clutch/2 (CL3)
Intermediate transport motor (M3) Print control board (PRCB)
Step Action
WIRING DIAGRAM
Control signal
Location (electri-
cal component)
1 Initial check items
⎯ ⎯
2 PS4 sensor check PRCB PJ15-3 (ON) C-3
3 CL3 operation check PRCB PJ6-4 (ON) I-6
4 M3 operation check
PRCB PJ27-3 (REM)
PRCB PJ27-6 (LOCK)
C-5
5 Change PRCB.
⎯ ⎯