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Field Service Ver. 2.0 Jul. 2009
22. IMAGE QUALITY PROBLEM
893
TROUBLESHOOTING
22.3.29
Printer 4-color: uneven density in sub scan direction
A. Typical faulty images
B. Troubleshooting procedure
A02EF4C526DA
Step
Section
Check item
Result
Action
1
Transfer belt unit Fingerprints, oil, or other foreign
matter is evident on the transfer
belt.
YES
Clean with specified solvent.
(See Maintenance.)
2
Transfer belt is dirty or scratched.
YES
Clean dirty belt with a soft cloth.
Change transfer belt unit if belt is
damaged.
3
Terminal is dirty.
YES
Clean.
4
Transfer roller
unit
Image transfer roller is installed
properly.
NO
Reinstall.
5
Image transfer roller is dirty or
scratched.
YES
Change transfer roller unit.
6
The problem has been eliminated
through the checks of steps up to 5.
NO
Change 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...