Field Service Ver. 2.0 Mar. 2006
25. Image quality problem
359
bizhub C250P
T
roubleshooting
25.3.12
Printer Monocolor: uneven image
A. Typical Faulty Images
B. Troubleshooting Procedure
4138fs4507c0
Step
Section
Check Item
Result
Action
1
Toner Cartridge
The Toner Cartridge of every color
is surely installed.
NO
Re-install it.
2
PH Unit
The PH Unit is surely installed.
NO
Re-install it.
3
Uneven pitch occurs in 3.0 mm
pitch.
YES
Replace the PH Unit
Holder.
See P.101
4
Toner Cartridge
There is any stain or breakage on
the Drive section of the Toner Car-
tridge.
YES
Clean/replace the Toner
Cartridge.
5
Imaging Unit
There is any stain, damage or abra-
sion on the PC drum.
YES
Replace the Imaging Unit.
6
Transfer Roller
There is any stain, damage, defor-
mation or abrasion on the Transfer
roller.
YES
Replace the Transfer
Roller.
7
Fusing Unit
There is any stain, damage, defor-
mation or abrasion on the Roller
and Drive section of the Fusing
Unit.
YES
Replace the Fusing unit.
8
The problem has been eliminated
through the check of step 7.
NO
Replace the Image Trans-
fer Belt unit.
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