Field Service Ver. 1.0 Jun. 2008
19. Image quality problem
333
T
roubleshooting
19.3.12
Scanner system: blank copy, black copy
A. Typical faulty images
B. Troubleshooting procedure
A02EF4C518DA
Blank copy
Black copy
Step
Section
Check item
Result
Action
1
Cable connecting
scanner and
printer
Connector is connected properly
with no pins bent.
NO
Reconnect.
2
BCRU board
(BCRUB)
Connectors on the BCRU board
are connected properly.
NO
Reconnect.
3
CCDU board
(CCDUB)
Connectors of the CCDU board
are connected properly.
NO
Reconnect.
4
Test Mode
[Service Mode]
The problem is eliminated as
checked with the image on a test
pattern produced.
NO
Change I/F connection cable.
5
BCRU board
(BCRUB)
The problem is eliminated after
the I/F connection cable has been
changed.
NO
Change BCRUB.
d
-Color
M
F
201
Y109660-1 Sevice Manual