Misfeed At Transfer Section - Konica Minolta bizhub C30P Service Manual

Field Service Ver. 2.0 May 2007
13.4.4

Misfeed at transfer section

A. Detection timing
Type
The registration sensor (PS4) is not blocked even after the lapse of a given period
of time after the media has unblocked PS4.
Detection of
The media does not block the exit sensor (PS8) even after the lapse of a given
misfeed at transfer
period of time after the media has unblocked the registration sensor (PS4).
section
When a sheet of media is passing through the registration sensor (PS4), the pres-
sure sequence of the 2nd transfer section has not started.
The registration sensor (PS4) is unblocked when the power switch is turned ON, a
Detection of media
door or cover is opened and closed, or a misfeed or malfunction is reset.
left in transfer
The media loop sensor (PS6) is unblocked when the power switch is turned ON, a
section
door or cover is opened and closed, or a misfeed or malfunction is reset.
B. Action
Registration sensor (PS4)
Exit sensor (PS8)
Media loop sensor (PS6)
Pressure/retraction clutch /2 (CL5)
Step
1 Initial check items
2 PS4 sensor check
3 PS8 sensor check
4 PS6 sensor check
5 CL5 operation check
6 Change MFPB.
Relevant electrical parts
Action
Description
MFP board (MFPB)
WIRING DIAGRAM
Control signal
⎯
MFPB PJ15MFPB-3 (ON)
MFPB PJ4MFPB-6 (ON)
MFPB PJ16MFPB-3 (ON)
MFPB PJ10MFPB-8 (ON)
⎯
13. Jam display
Location (electri-
cal component)
⎯
C-3
I-2
C-3 to 4
J-7
⎯
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