Konica Minolta bizhub C250 Service Manual page 416

Field Service Ver. 1.0 Jul. 2005
16.5.73 C9401: Exposure Lamp's failure to turn ON
16.5.74 C9402: Exposure Lamp turning ON at abnormal timing
Scanner Assy
Flat Cable
Step
Check the flat cable for proper connection
1
and correct or change as necessary.
2 Change Scanner Assy
3 Change PWB-C
16.5.75 CA051: Standard Controller configuration failure
16.5.76 CA052:Controller hardware error
16.5.77 CA053: Controller start failure
MFP Control Board (PWB-MFP)
Step
Check to see if the following setting has
been correctly made: [Service Mode] →
[System 2] → [Image Controller Setting].
1
If changing the setting, turn OFF the Main
Power SW and turn it ON again after 10
seconds or more.
Check the connectors of the MFP Control
2 Board (PWB-MFP) for proper connection
and correct as necessary.
3 Change PWB-MFP
Relevant Electrical Parts
Action
Relevant Electrical Parts
Action
Image Processing Board (PWB-C)
WIRING DIAGRAM
Control Signal
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WIRING DIAGRAM
Control Signal
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16. Malfunction code
Location (Electri-
cal Component)
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Location (Electri-
cal Component)
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373