Konica Minolta bizhub C353 Service Manual page 581

16. Malfunction code
16.5.65 C6301: Optical cooling fan motor's failure to turn
Optical cooling fan motor (FM201)
Step
Check the FM201 connector for proper
1
connection and correct as necessary.
Check the fan for possible overload and
2
correct as necessary.
3 FM201 operation check
2
4 Change REYB/SCAN
5 Change IPB
16.5.66 C6704: Image input time out
MFP board (MFPB)
Step
Select [Service Mode] → [State Confirma-
tion] → [Memory/HDD Adj.] → [Memory
1
Bus Check] → [Scanner→Memory], and
conduct the memory bus function.
Check the connectors between IPB and
2 MFPB for proper connection and correct as
necessary.
3 Change MFPB
4 Change IPB
536
2
Relevant parts
Action
Relevant parts
Action
Field Service Ver. 3.0 Jan. 2008
Scanner relay board (REYB/SCAN)
Image processing board (IPB)
WIRING DIAGRAM
Control signal
—
—
REYB/SCAN CN2-3 (LOCK)
—
—
Image processing board (IPB)
WIRING DIAGRAM
Control signal
—
—
—
—
Location (Electri-
cal component)
—
—
R-12
—
—
Location (Electri-
cal component)
—
—
—
—