C6301: Scanner Cooling Fan Motor's Failure To Turn; C6704: Image Input Time Out - Konica Minolta bizhub C250 Service Manual

16. Malfunction code
16.5.70

C6301: Scanner Cooling Fan Motor's failure to turn

Scanner Cooling Fan Motor (M202)
Step
Check the connector of motor for proper
1
connection and correct as necessary.
Check the fan for possible overload and
2
correct as necessary.
M202 operation check
3
4 Change PWB-C
5 Change PWB-M
16.5.71

C6704: Image Input Time Out

MFP Control Board (PWB-MFP)
Step
Select [Service Mode] → [State Confirma-
tion] → [Memory/HDD Adj.] → [Memory
1
Bus Check] → [Scanner→Memory].
Check the connectors between PWB-C
2 and PWB-MFP for proper connection and
correct as necessary.
3 Change PWB-MFP
4 Change PWB-C
458
Relevant Electrical Parts
Action
Relevant Electrical Parts
Action
Field Service Ver. 3.0 Aug. 2006
Image Processing Board (PWB-C)
Mechanical Control Board (PWB-M)
WIRING DIAGRAM
Control Signal
—
—
PWB-C PJ81C-2 (REM)
PWB-C PJ81C-3 (LOCK)
—
—
Image Processing Board (PWB-C)
WIRING DIAGRAM
Control Signal
—
—
—
—
Location (Electri-
cal Component)
—
—
T-10 to 11
—
—
Location (Electri-
cal Component)
—
—
—
—