Duplex Transport Misfeed (Ad-501) - Konica Minolta bizhub C350 Service Manual

bizhub C350 Field Service Ver2.0 Sep. 2004
1.3.7

Duplex Transport Misfeed (AD-501)

A. Detection Timing
Type
The Synchronizing Roller Sensor (PC28) is not blocked even after the lapse of a
given period of time after a Duplex paper take-up sequence has been started.
The Duplex Unit Transport Sensor 2 (PC1-DU) is not blocked even after the lapse
of a given period of time after the paper has blocked the Duplex Unit Transport
Misfeed detected at
Sensor 1 (PI1-DU).
Duplex Transport
Section
The Duplex Unit Transport Sensor 1 (PI1-DU) is not unblocked even after the
lapse of a given period of time after it has been blocked by the paper.
The Duplex Unit Transport Sensor 2 (PC1-DU) is not unblocked even after the
lapse of a given period of time after it has been blocked by the paper.
Duplex Unit Transport Sensor 1 (PI1-DU) or Duplex Unit Transport Sensor 2
Paper left at Duplex
(PC1-DU) is blocked when the Power Switch is turned ON, a door or cover is
Transport Section
opened and closed, or a misfeed or malfunction is reset.
B. Action
Synchronizing Roller Sensor (PC28)
Duplex Unit Transport Sensor 1 (PI1-DU)
Duplex Unit Transport Sensor 2 (PC1-DU)
Switchback Motor (M1-DU)
Duplex Unit Transport Mortor (M2-DU)
Step
1 Initial check items
2 PC28 I/O check, Sensor check
3 PI1-DU I/O check, Sensor check
4 PC1-DU I/O check, Sensor check
5 M1-DU operation check
6 M2-DU operation check
7 Change PWB-A DU
8 Change PWB-MC
Relevant Electrical Parts
Duplex Control Board (PWB-A DU)
Control Board (PWB-MC)
Action
Description
WIRING DIAGRAM
Control Signal
—
PWB-MC PJ12MC-6A (ON)
—
—
PWB-A DU PJ3A-1~4
PWB-A DU PJ2A-1~4
—
—
Jam Display
Location
(Electrical
Component)
—
2-R
AD-501 8-D
AD-501 8-D
AD-501 8-D
AD-501 8-D
—
—
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