Konica Minolta bizhub C353 Service Manual page 583

16. Malfunction code
16.5.69 C9401: Exposure turning on the lamp trouble detection
16.5.70 C9402: Exposure turning on the lamp abnormally detection
Scanner assy
Flat cable
Step
Check the connection between the lamp
1 harness and the inverter board, and correct
if necessary.
Check the connection between REYB/
2 SCAN and the inverter board, and correct if
necessary.
Check the connection between REYB/
3
SCAN and IPB, and correct if necessary.
Check that the connection between CCDB
4
and IPB, and correct if necessary.
5 Change INVB
6 Change scanner assy
7 Change IPB
8 Change CCDB
9 Change REYB/SCAN
16.5.71 CA051: Standard controller configuration failure
16.5.72 CA052: Controller hardware error
16.5.73 CA053: Controller start failure
MFP board (MFPB)
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 switch and turn it ON again after 10
seconds or more.
Check the connectors of the MFP board
2 (MFPB) for proper connection and correct
as necessary.
3 Change MFPB
538
Relevant parts
Action
Relevant parts
Action
Field Service Ver. 3.0 Jan. 2008
Inverter board (INVB)
CCD board (CCDB)
Scanner relay board (REYB/SCAN)
Image processing board (IPB)
WIRING DIAGRAM
Control signal
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WIRING DIAGRAM
Control signal
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Location (Electri-
cal component)
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Location (Electri-
cal component)
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