Konica Minolta bizhub C450 Service Manual page 435

18. Image quality problem
Step Section
10
398
Check Item
The problem has been eliminated
through the checks of steps up to 9.
Field Service Ver. 1.0 Mar. 2005
Result Action
NO Change Imaging Unit.
→ Change Image Transfer Belt
Unit.
→ Change LPH Assy.
→ Change LED Drive Board.
→ Change Copier Board.
→ Change MFP Control Board
→ Change LPH Unit.
→ Change High Voltage Unit/2
(Developing Bias).
→ Change High Voltage Unit/1
(Image Transfer, Neutralizing).