Printer 4-Color: Uneven Density In Cd - Minolta CF2002 Service Manual

(30) Printer 4-Color: uneven density in CD

<Troubleshooting Procedure>
Section Step
Image 1 Fingerprints, oil, or other for-
Transfer eign matter is evident on the
Belt Unit Image Transfer Belt.
2 Image Transfer Belt is dirty or
scratched.
3 Terminal is dirty.
Image 4 Image Transfer Roller is
Transfer installed properly.
Roller Unit
5 Image Transfer Roller is dirty
or scratched.
6 The problem has been elimi-
nated through the checks of
steps up to 5.
<Typical Faulty Images>
4011T032AA
Check Item Result
T-107
4011T043AA
Action
YES Clean with specified solvent.
(See DIS/REASSEMBLY,
ADJUSTMENT.)
YES Clean dirty belt with a soft
cloth.
Change Image Transfer Belt
Unit if belt is damaged.
YES Clean.
NO Reinstall.
YES Change Image Transfer Roller
Unit.
NO Change Image Transfer Roller
Unit.
→
Change Image Transfer
Belt Unit.
→
Change High Voltage Unit
(Developing Bias).
→
Change High Voltage Unit
(Image Transfer, Neutralizing).