FrameMaker Ver5.5E(PC) CF3102/CF2002 TROUBLESHOOTING
02.06.13
T-89
(15) Printer Monocolor: uneven density in FD
<Typical Faulty Images>
<Troubleshooting Procedure>
Section
Step
Check Item
Result
Action
Image
check
1
Uneven density of void area
occurs.
YES
Check LPH Unit connector for
proper connection.
Check the LED Drive Board
connectors for proper connec-
tion.
High image
density
original
2
Uneven density in FD occurs
at a pitch of 40 mm to 50 mm
when a multi-copy cycle is run
using an original with high
image density (50 % or more).
YES
Feed 10 to 20 blank sheets of
paper with no originals
placed, as the IU fails to keep
up with a high demand for
toner.
LPH Assy
3
LED retracting lever is locked
in position.
NO
Slide out the IU and reinstall.
IU
4
The surface of the PC Drum is
scratched.
YES
Change IU.
5
Dirty on the outside.
YES
Clean.
LPH Assy
6
LED surface is dirty.
YES
Clean using the LED Cleaning
Jig.
Image
Transfer
Belt Unit
7
Cam gear operates properly.
NO
Change Image Transfer Belt
Unit.
8
The problem has been elimi-
nated through the checks of
steps up to 7.
NO
Change IU.
→
Change Image Transfer
Belt Unit.
→
Change LPH Assy.
→
Change PIC Board.
→
Change LED Drive Board
→
Change LPH Unit.
→
Change High Voltage Unit
(Image Transfer, Neutralizing).
4011T031AA
4011T042AA
4004T011AA
Summary of Contents for CF2002
Page 1: ...The essentials of imaging www minoltaeurope com Service Manual CF2002 CF3102 ...
Page 2: ......
Page 21: ...FrameMaker Ver 5 5E PC CF2002 CF3102 GENERAL 02 06 26 GENERAL 14413 ...
Page 30: ...FrameMaker Ver 5 5E PC CF2002 CF3102 MAINTENANCE 02 06 26 MAINTENANCE 14413 ...
Page 178: ...FrameMaker Ver 5 5E PC CF2002 CF3102 TROUBLESHOOTING 02 06 26 TROUBLESHOOTING 14413 ...