Konica Minolta Bizhub C350 Service Manual page 315

bizhub C350 Field Service Ver. 2.0 April 2004
Step Section
Image Adjust →
ATDC Toner Sup-
17
ply (Tech. Rep.
Mode)
Image Adjust →
ATDC Level Set-
18
ting (Tech. Rep.
Mode)
Gradation Adjust
(Tech. Rep. Mode)
19
Image Adjust
→ PRT Max Den-
20
sity (Tech.
Rep.Mode)
Image Adjust
→ PRT Highlight
21
(Tech. Rep. Mode)
Image Adjust
→ Stabilizer →
22 Reset + Stabilizer
(Tech. Rep. Mode)
23
Check Item
Toner is properly supplied when
ATDC Toner Supply is run.
The problem has been eliminated
when T/C has been increased.
"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 PRT Max.
The problem has been eliminated
through the adjust of PRT Highlight.
After the Reset + Stabilizer
sequence has been completed, run
Gradation Adjust; if the problem per-
sists, make adjustments of PRT Max
Density and PRT Highlight.
The problem has been eliminated
through the checks of steps up to 22.
4-73
Image quality problem
Result Action
NO Go to next step.
NO Go to next step.
YES Go to step 23.
NO Go to next step.
NO Go to next step.
NO Go to next step.
NO Change Imaging Unit.
→ Change Image Transfer
Belt Unit.
→ Change LPH Assy.
→ Change LED Drive Board.
→ Change MFP Control
Board
→ Change LPH Unit.
→ Change High Voltage Unit/
2 (Developing Bias).
→ Change High Voltage Unit/
1 (Image Transfer, Neutraliz-
ing).