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Field Service Ver. 2.0 Jul. 2009
22. IMAGE QUALITY PROBLEM
903
TROUBLESHOOTING
22.3.39
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
Replace the imaging unit.
5
Transfer roller unit There is any stain, damage,
deformation or abrasion on the
transfer roller.
YES
Replace the transfer roller unit.
6
Fusing unit
There is any stain, damage,
deformation or abrasion on the
roller and drive section of the fus-
ing unit.
YES
Replace the fusing unit.
7
The problem has been eliminated
through the check of step 6.
NO
Replace the transfer belt unit.
Y110571-1 Service Manual
Содержание d-color MF651
Страница 1: ...d Color MF651 d Color MF551 d Color MF451 Color Printer SERVICE MANUAL Code Y110571 1...
Страница 24: ...MEASURES TO TAKE IN CASE OF AN ACCIDENT S 22 Blank Page...
Страница 27: ...d Color MF651 d Color MF551 d Color MF451 Color Printer SERVICE MANUAL Code Y110571 1...
Страница 511: ...Field Service Ver 2 0 Jul 2009 10 UTILITY 451 ADJUSTMENT SETTING Blank Page Y110571 1 Service Manual...
Страница 716: ...16 MECHANICAL ADJUSTMENT Field Service Ver 2 0 Jul 2009 656 ADJUSTMENT SETTING Blank Page Service Manual Y110571 1...
Страница 1053: ...UPDATING STATUS DATE UPDATED PAGES PAGES CODE 10 2009 1ST EDITION 1053053 Y110571 1...