Misfeed At Duplex Option Media Transport Section - Konica Minolta bizhub 40P Service Manual

Field Service Ver. 1.0 Dec. 2007
4.4.3

Misfeed at duplex option media transport section

A. Detection timing
Type
Media turns ON the registration sensor (PS1) before the lapse of a predetermined
Detection of mis-
period of time after the media turns ON the transport sensor (PS1).
feed at duplex
option media trans-
Media does not turn ON the registration sensor (PS1) after the lapse of a prede-
port section
termined period of time after the media turns ON the transport sensor (PS1).
Detection of media
left at duplex option Transport sensor (PS1) is turned ON when the power switch is set to ON, a door
media transport or cover is opened and closed, or a misfeed or malfunction is reset.
section
B. Action
Registration sensor (PS1)
Transport sensor (PS1)
Transport motor (M1)
Registration roller clutch (CL3)
Step
1 Initial check items
2 Registration sensor check
3 Transport sensor check
4 M1 operation check
5 Change ADCB.
6 Change PRCB.
Relevant Electrical Parts
Action
Description
AD control board (ADCB)
Printer control board (PRCB)
WIRING DIAGRAM
Control Signal
⎯
PRCB P/J24-11 (ON)
ADCB P/J53-3 (ON)
ADCB P/J51-2 to 5
⎯
⎯
4. Jam display
Location
(Electrical Com-
ponent)
⎯
See P.187 of the
main unit service
manual.
See P.192 of the
main unit service
manual.
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