Olivetti d-Color MF201 - Printer 4-Color: Back Marking

Field Service Ver. 1.0 Jun. 2008 19. Image quality problem
361
Troubleshooting
19.3.38 Printer 4-color: back marking
A. Typical faulty images
B. Troubleshooting procedure
A02EF4C530DA
AA
Step Section Check item Result Action
1
2nd image trans-
fer roller unit
Image transfer roller is scratched or
dirty.
YES Change transfer roller unit.
2
Paper path There is foreign matter on paper
path.
YES Remove foreign matter.
3
Fusing unit Fusing entrance guide plate is
scratched or dirty.
YES Clean or change.
4
Lower fusing roller is scratched or
dirty.
YES Change fusing unit.
5
Transfer belt unit Fingerprints, oil, or other foreign
matter is evident on the transfer
belt.
YES Clean.
6
The problem has been eliminated
through the checks of steps up to 5.
NO Change transfer belt unit.
o Change high voltage unit.
d-Color MF201
Y109660-1 Sevice Manual
d-Color MF201