C2152: Transfer Belt Pressure Welding Alienation; C2163: Pc Charge (K) Malfunction; C2164: Pc Charge Malfunction - Konica Minolta bizhub C650 Service Manual

Field Service Ver. 8.0 Jun. 2008
16.5.12

C2152: Transfer belt pressure welding alienation

Pressure welding alienation sensor/K (PS51)
Pressure welding alienation sensor/color (PS52)
1st image transfer pressure retraction motor (M21)
Step
Check the M21 connector for proper
1
connection and correct as necessary.
2 PS51 I/O check, sensor check
3 PS52 I/O check, sensor check
4 M21 operation check
5 Change M21
6 Change MFPB
16.5.13 C2160: PC charge (C) malfunction
16.5.14 C2161: PC charge (M) malfunction
16.5.15 C2162: PC charge (Y) malfunction
16.5.16

C2163: PC charge (K) malfunction

16.5.17

C2164: PC charge malfunction

Imaging unit
Step
Check the imaging unit for proper
1
connection and correct as necessary.
Check the HV1 connector for proper
2
connection and correct as necessary.
Check the PRCB connector for proper
3
connection and correct as necessary.
4 Change IU
5 Change HV1
6 Change PRCB
Relevant parts
Action
Relevant parts
Action
Printer control board (PRCB)
WIRING DIAGRAM
Control signal
—
PRCB CN11PRCB-12 (ON)
PRCB CN11PRCB-15 (ON)
PRCB CN17PRCB-1 to 4
—
—
High voltage unit/1 (HV1)
Printer control board (PRCB)
WIRING DIAGRAM
Control signal
—
—
—
—
—
—
16. Malfunction code
Location (Electri-
cal component)
—
K-2
K-2
K-2
—
—
Location (Electri-
cal component)
—
—
—
—
—
—
643