C2152: Image Transfer Belt Pressure/Retraction Failure; C2160: Cyan Pc Drum Charge Corona Malfunction; C2161: Magenta Pc Drum Charge Corona Malfunction; C2162: Yellow Pc Drum Charge Corona Malfunction - Konica Minolta bizhub C450 Service Manual

Field Service Ver. 1.0 Mar. 2005
16.6.6

C2152: Image Transfer Belt pressure/retraction failure

1st Image Transfer Retraction Position Sensor (PC12)
1st Image Transfer Pressure/Retraction Motor (M11)
Step
Check the M11 connector for proper connection
1
and correct as necessary.
2 PC12 I/O check
3 M11 operation check
4 Change PWB-MC
16.6.7

C2160: Cyan PC Drum Charge Corona malfunction

16.6.8

C2161: Magenta PC Drum Charge Corona malfunction

16.6.9

C2162: Yellow PC Drum Charge Corona malfunction

16.6.10

C2163: Black PC Drum Charge Corona malfunction

16.6.11

C2164: PC Drum Charge Corona malfunction

Imaging Unit /C
Imaging Unit /M
Imaging Unit /Y
Imaging Unit /K
Step
Check the Imaging Unit contact and correct or
1
clean as necessary.
Check the HV1 contact and correct or clean as
2
necessary.
3 Change Imaging Unit.
4 Change HV1.
5 Change PWB-MC
Relevant Electrical Parts
Action
Relevant Electrical Parts
High Voltage Unit/1 (HV1)
Control Board (PWB-MC)
Action
16. Malfunction code
Control Board (PWB-MC)
WIRING DIAGRAM
Control Signal
—
PWB-MC PJ20MC-6 (ON)
PWB-MC PJ7MC-1 to 4
—
WIRING DIAGRAM
Control Signal
—
—
—
—
—
Location
(Electrical
Component)
—
C to D-22
K-7
—
Location
(Electrical
Component)
—
—
—
—
—
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