C2101: Pc Charge Cleaning Malfunction; C2151: Secondary Transfer Roller Pressure Alienation - Konica Minolta bizhub C650 Service Manual

16. Malfunction code
16.5.10

C2101: PC charge cleaning malfunction

Imaging unit /K
Charging cleaner home sensor (PS43)
Charging cleaner return sensor (PS44)
Charge cleaning motor/K (M15)
Step
Check the imaging unit/K for proper con-
1
nection and correct as necessary.
Check the M15 connector for proper con-
2
nection and correct as necessary.
3 PS43 I/O check, sensor check
4 PS44 I/O check, sensor check
5 M15 operation check
6 Change imaging unit /K
7 Change M15
8 Change PRCB
16.5.11 C2151: Secondary transfer roller pressure welding alienation
Pressure welding alienation sensor (PS50)
2nd image transfer pressure retraction motor (M3)
Step
Check the M3 connector for proper
1
connection and correct as necessary.
2 PS50 I/O check, sensor check
3 M3 operation check
4 Change M3
5 Change PRCB
642
Relevant parts
Action
Relevant parts
Action
Field Service Ver. 8.0 Jun. 2008
Printer control board (PRCB)
WIRING DIAGRAM
Control signal
—
—
PRCB CN8PRCB-8 (ON)
PRCB CN8PRCB-11 (ON)
PRCB CN8PRCB-3 to 4
—
—
—
Printer control board (PRCB)
WIRING DIAGRAM
Control signal
—
PRCB CN36PRCB-9 (ON)
PRCB CN11PRCB-1 (REM)
—
—
Location (Electri-
cal component)
—
—
C-12
C-13
C-12
—
—
—
Location (Electri-
cal component)
—
K-4
K-3
—
—