Field Service Ver. 2.0 Mar. 2006
25. Image quality problem
351
bizhub C250P
T
roubleshooting
16
Image Process
Adjustment
→
X-Rite
Calibration (Grada-
tion Adjust)
(Service Mode)
“Conv. Value” falls within the speci-
fied range as checked through Gra-
dation Adjust.
Max: 0 ± 100
Highlight = 0 ± 60
YES
Go to step 19.
17
Image Process
Adjustment
→
D Max
Density
(Service Mode)
The problem has been eliminated
through the adjust of D Max.
NO
Go to next step.
18
Image Process
Adjustment
→
Stabi-
lizer
→
Reset + Stabi-
lizer (Service Mode)
After the Reset + Stabilizer
sequence has been completed, run
Gradation Adjust.
NO
Go to next step.
19
The problem has been eliminated
through the checks of steps up to
18.
NO
Change Imaging Unit.
→
Change MFP Control
Board
→
Change PH Unit.
→
Change High Voltage
Unit (Image Transfer,
Neutralizing).
Step
Section
Check Item
Result
Action
bizhub_C250P_Total.book 351 ページ 2006年3月27日 月曜日 午前8時28分