Service manual

FrameMaker Ver5.5E(PC) CF3102/CF2002 TROUBLESHOOTING
02.06.13
T-1 07
(30) Printer 4-Color: uneven density in CD
<Typical Faulty Images>
<Troubleshooting Procedure>
Section Step Check Item Result Action
Image
Transfer
Belt Unit
1 Fingerprints, oil, or other for-
eign matter is evident on the
Image Transfer Belt.
YES Clean with specified solvent.
(See DIS/REASSEMBLY,
ADJUSTMENT.)
2 Image Transfer Belt is dirty or
scratched.
YES Clean dirty belt with a soft
cloth.
Change Image Transfer Belt
Unit if belt is damaged.
3 Terminal is dirty. YES Clean.
Image
Transfer
Roller Unit
4 Image Transfer Roller is
installed properly.
NO Reinstall.
5 Image Transfer Roller is dirty
or scratched.
YES Change Image Transfer Roller
Unit.
6 The problem has been elimi-
nated through the checks of
steps up to 5.
NO Change Image Transfer Roller
Unit.
Change Image Transfer
Belt Unit.
Change High Voltage Unit
(Developing Bias).
Change High Voltage Unit
(Image Transfer, Neutralizing).
4011T032AA
4011T043AA