Olivetti d-Color MF201 Service Manual

19. Image quality problem Field Service Ver. 1.0 Jun. 2008
344
Troubleshooting
13
Image Process
Adjustment
oGradation
Adjust
(Service Mode)
“Conv. Value” falls within the
specified range as checked through
gradation adjust.
Dark: 0 ± 100
Highlight: 0 ± 60
YES Go to step 17.
14
Image Process
Adjustment
o D Max Density
(Service Mode)
The problem has been eliminated
through the adjust of D Max.
NO Go to next step.
15
Image Process
Adjustment o
Image Stabiliza-
tion o Initialize +
Image Stabiliza-
tion
(Service Mode)
After the Initialize + Image Stabiliza-
tion sequence has been completed,
run gradation adjust.
NO Go to next step.
16
Printer control
board (PRCB)
PH relay board
(REYB/PH)
Check the connection of connectors,
harness, and flat cables between
PRCB and REYB/PH, and correct if
necessary.
NO Change printer control board.
Change PH relay board.
17
The problem has been eliminated
through the checks of steps up to 16.
NO Change imaging unit.
o Change PH unit.
o Change high voltage unit.
Step Section Check item Result Action
d-Color MF201
Service Manual Y109660-1
d-Color MF201

Olivetti d-Color MF201 Specifications

General

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