Service manual

FrameMaker Ver5.5E(PC) CF3102/CF2002 TROUBLESHOOTING
02.06.13
T- 9 0
(16) Printer Monocolor: uneven density in CD
<Typical Faulty Images>
<Troubleshooting Procedure>
Section Step Check Item Result Action
IU 1 The surface of the PC Drum is
scratched.
YES Change IU.
2 Dirty on the outside. YES Clean.
LPH Assy 3 The surface of the lens array is
dirty.
YES Clean with cleaning jig.
Image
Transfer
Belt Unit
4 Image Transfer Belt Unit
makes positive contact with
plates on rails.
NO Check and correct contacts.
5 Cam gear operates properly. NO Change Image Transfer Belt
Unit.
6 The problem has been elimi-
nated through the checks of
steps up to 5.
NO Change IU.
→Change Image Transfer
Belt Unit.
→Change High Voltage Unit
(Developing Bias).
→Change High Voltage Unit
(Image Transfer, Neutralizing).
4011T032AA 4011T043AA