Konica Minolta bizhub C250 Service Manual page 448

Field Service Ver. 1.0 Jul. 2005
Step Section
Image Process
Adjustment
→Gradation Adjust
16
(Service Mode)
Image Process
Adjustment
17
→ D Max Density
(Service Mode)
Image Process
Adjustment
→ Stabilizer →
18
Reset + Stabilizer
(Service Mode)
19
Check Item
"Conv. Value" falls within the speci-
fied range as checked through Gra-
dation Adjust.
Max: 0 ± 100
Highlight = 0 ± 60
The problem has been eliminated
through the adjust of D Max.
After the Reset + Stabilizer
sequence has been completed, run
Gradation Adjust.
The problem has been eliminated
through the checks of steps up to 18.
18. Image quality problem
Result Action
YES Go to step 19.
NO Go to next step.
NO Go to next step.
NO Change Imaging Unit.
→ Change MFP Control
Board
→ Change PH Unit.
→ Change High Voltage Unit
(Image Transfer, Neutraliz-
ing).
405