C5357: Cooling Fan Motor/1'S Failure To Turn; C5371: Mfp Board Cooling Fan Motor's Failure To Turn - Konica Minolta bizhub C353P Service Manual

20. Malfunction code
20.5.59

C5357: Cooling fan motor/1's failure to turn

Cooling fan motor/1 (FM1)
Step
Check the FM1 connector for proper
1
connection and correct as necessary.
Check the fan for possible overload and
2
correct as necessary.
3 FM1 operation check
4 Change FM1
5 Change PRCB
20.5.60

C5371: MFP board cooling fan motor's failure to turn

MFP board cooling fan motor (FM6)
Step
Check the FM6 connector for proper
1
connection and correct as necessary.
Check the fan for possible overload and
2
correct as necessary.
3 FM6 operation check
4 Change FM6
5 Change MFPB
448
Relevant parts
Action
Relevant parts
Action
Field Service Ver. 1.0 Oct. 2007
Printer control board (PRCB)
WIRING DIAGRAM
Control signal
—
—
PRCB CN30PRCB-4 (ON)
PRCB CN30PRCB-6 (LOCK)
—
—
MFP board (MFPB)
WIRING DIAGRAM
Control signal
—
—
PRCB CN44PRCB-1 (REM)
PRCB CN44PRCB-3 (LOCK)
—
—
Location (Electri-
cal component)
—
—
K-7
—
—
Location (Electri-
cal component)
—
—
K-9
—
—