Olivetti d-Color MF201 Service Manual

Field Service Ver. 1.0 Jun. 2008 19. Image quality problem
337
Troubleshooting
19.3.16 Printer monocolor: white lines in main scan direction, white bands in main
scan direction, colored lines in main scan direction, colored bands in main
scan direction
A. Typical faulty images
B. Troubleshooting procedure
A02EF4C508DA
White lines in main
scan direction
White bands in main
scan direction
Colored lines in main
scan direction
Colored bands in main
scan direction
Step Section Check item Result Action
1
Imaging unit The surface of the PC drum is
scratched.
YES Change imaging unit.
2 Dirty on the outside. YES Clean.
3
Contact terminals make good con-
nection between each IU and
machine.
NO Clean contact terminals.
4
Developing bias contact terminal
makes good connection.
NO Clean contact terminal and check ter-
minal position.
5
PH unit The surface of the PH window is
dirty.
YES Clean with cleaning jig.
6
The problem has been eliminated
through the checks of steps up to 5.
NO Change imaging unit.
o Change transfer belt unit.
o Change PH unit.
d-Color MF201
Y109660-1 Sevice Manual
d-Color MF201

Olivetti d-Color MF201 Specifications

General

Brand	Olivetti
Model	d-Color MF201
Category	All in One Printer
Language	English