Printer Monocolor: Uneven Image - Olivetti d-Color MF651 Service Manual

22. IMAGE QUALITY PROBLEM
22.3.26

Printer monocolor: uneven image

A. Typical faulty images
B. Troubleshooting procedure
Step Section
1 Toner cartridge
2 PH unit
3 Toner cartridge
4 Imaging unit
5 Transfer roller
6 Fusing unit
7
890
Check item
The toner cartridge of every color
is surely installed.
The PH unit is surely installed.
There is any stain or breakage on
the drive section of the toner
cartridge.
There is any stain, damage or
abrasion on the PC drum.
There is any stain, damage,
deformation or abrasion on the
transfer roller.
There is any stain, damage,
deformation or abrasion on the
roller and drive section of the
fusing unit.
The problem has been eliminated
through the check of step 6.
Service Manual
Field Service Ver. 2.0 Jul. 2009
Result Action
NO Re-install it.
NO Re-install it.
YES Clean/replace the toner cartridge.
YES Replace the imaging unit.
YES Replace the transfer roller.
YES Replace the fusing unit.
NO Replace the image transfer belt
unit.
A02EF4C525DA
Y110571-1