22. IMAGE QUALITY PROBLEM
Field Service Ver. 1.1 May 2011
380
TROUBLESHOOTING
22.2.36
Printer 4-color: uneven image
A. Typical faulty images
B. Troubleshooting procedure
A02EF4C525DA
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
Toner cartridge
There is any stain or breakage on
the drive section of the toner car-
tridge.
YES
Clean/replace the toner cartridge.
4
Imaging unit
There is any stain, damage or
abrasion on the PC drum.
YES
Change the imaging unit.
5
Transfer roller unit There is any stain, damage,
deformation or abrasion on the
transfer roller.
YES
Change the transfer roller unit.
6
Fuser unit
There is any stain, damage,
deformation or abrasion on the
roller and drive section of the
fuser unit.
YES
Change the fuser unit.
7
The problem has been eliminated
through the check of step 6.
NO
Change the transfer belt unit.
d-Color MF2400
Summary of Contents for PF-P09
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Page 436: ...SERVICE MANUAL Color Printer Code Y113750 1 SERVICE MANUAL PF P09...
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