C6F01: Scanner Sequence Trouble - Konica Minolta bizhub C650 Service Manual

Field Service Ver. 8.0 Jun. 2008

16.5.101 C6F01: Scanner sequence trouble 1

MFP board (MFPB)
Step
Correct the harness connection between
1
main body and ADF if faulty.
2 Change DFCB
3 Change MFPB
16.5.102 C9401: Exposure turning on the lamp trouble detection
16.5.103 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
Relevant parts
Action
Relevant parts
Action
DF control board (DFCB)
WIRING DIAGRAM
Control signal
—
—
—
Inverter board (INVB)
CCD board (CCDB)
Scanner relay board (REYB/SCAN)
Image processing board (IPB)
WIRING DIAGRAM
Control signal
—
—
—
—
—
—
—
—
—
16. Malfunction code
Location (Electri-
cal component)
—
—
—
Location (Electri-
cal component)
—
—
—
—
—
—
—
—
—
671