C2151: 2Nd Image Transfer Roller Separation; C2152: Transfer Belt Separation; C2253: Color Pc Drum Motor's Failure To Turn - Konica Minolta bizhub C250 Service Manual

16. Malfunction code
16.5.4

C2151: 2nd Image Transfer Roller Separation

Mechanical Control Board (PWB-M)
Step
Check the connector of motor for proper
1
connection and correct as necessary.
2 Change the Right Door Assy and PWB-M
16.5.5

C2152: Transfer Belt Separation

1st Image Transfer Pressure/Retraction Position
Sensor (PC6)
1st Image Transfer Pressure/Retraction Clutch
(CL3)
Step
Check the M1 connector for proper connec-
1
tion and correct as necessary.
2 PC6 I/O check, Sensor check
3 CL3 operation check
M1 operation check
4
5 Change PWB-M
16.5.6

C2253: Color PC Drum Motor's failure to turn

Color PC Drum Motor (M2)
Step
Check the connector of motor for proper
1
connection and correct as necessary.
Check the connector of motor for proper
2
drive coupling and correct as necessary.
Check the PWB-M connector for proper
3
connection and correct as necessary.
M2 operation check (C0018)
4
5 Change PWB-M
444
Relevant Electrical Parts
Action
Relevant Electrical Parts
Action
Relevant Electrical Parts
Action
Field Service Ver. 3.0 Aug. 2006
Right Door Assy
WIRING DIAGRAM
Control Signal
—
—
Main Motor (M1)
Mechanical Control Board (PWB-M)
WIRING DIAGRAM
Control Signal
—
—
PWB-M CNDM1-11 (ON)
PWB-M CNDM1-5 (REM)
PWB-M CNDM1-8 (LOCK)
—
Mechanical Control Board (PWB-M)
WIRING DIAGRAM
Control Signal
—
—
—
PWB-M CNDM3-5 (REM)
PWB-M CNDM3-8 (LOCK)
—
Location (Electri-
cal Component)
—
—
Location (Electri-
cal Component)
—
—
L-2
L-2
—
Location (Electri-
cal Component)
—
—
—
C-21
—