23. IMAGE QUALITY PROBLEM
23.3.12
Scanner system: blank copy, black copy
A. Typical faulty images
B. Troubleshooting procedure
Step
Section
1
Cable connecting
scanner and
printer
2
CCD Unit
3
Test Mode
[Service Mode]
4
MFP board
(MFPB)
716
Blank copy
Check item
Connector is connected properly
with no pins bent.
Connectors of the CCD unit are
connected properly.
The problem is eliminated as
checked with the image on a test
pattern produced.
The problem is eliminated after
the I/F connection cable has been
changed.
Field Service Ver. 2.1 Feb. 2012
Black copy
Result
Action
NO
Reconnect.
NO
Reconnect.
NO
Change I/F connection cable.
NO
Change CCD board.
Change MFP board.
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