Samsung CLX-9350ND Service Manual page 508

7.3.11 Uneven density in sub scan di
A. Typical faulty images yp y
B. Troubleshooting procedure
Step Section
1 Image Check
2 Imaging unit
3
4 Image transfer
belt unit.
5
Service Manual
CLX-9250/9350 series
7. Troubles
g
Check item
The periodic 35 mm ba
occurred. (Magnetic Ro
The surface of the OPC
scratched.
Dirty on the outside.
Is abnormality found in
gear?
The problem has been
through the checks of s
4.
shooting
rection (Horizontal Band)
m Result
and has Yes
oll)
C drum is Yes
Yes
the cam Yes
eliminated No
steps up to
7-1 68
Action
Change imaging unit.
Change imaging unit.
Clean.
Change transfer belt unit.
 Change LSU.
 Change HVPS board.
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