Epson AcuLaser Color 2000, Service Manual

Page: 117 / 204

EPSON AcuLaser C2000 Revision C
Troubleshooting Image Quality Troubleshooting 117
Low image
density OPC drum is at the end
of life.
AIDC failure
1 Replace the drum cartridge.
Middle transfer failure
Paper transfer failure
Contact failure (transfer
roller)
2
• Replace the transfer belt
unit.
• Re-install the transfer roller
unit.
• Replace the transfer roller.
3 Replace HV1 (high voltage
board).
White line.
Black line.
• Foreign object or
scratch on the
developer.
• Scratch on the OPC
drum.
1
• Replace the drum cartridge.
• Replace the toner cartridge.
Scratch on the transfer
belt. 2 Replace the transfer belt unit.
Scratch on the fusing
belt. 3 Replace the fusing unit.
PH dust proof filter is
dirty. 4 Clean PH dust proof filter.
Offset image
• Image memory
• Transfer belt offset
1
• Replace the OPC drum.
• Replace the transfer belt
unit.
Fusing offset 2
• Replace the oil coating
roller.
• Replace the fusing unit.
Table 3-22. Image Quality Troubleshooting
Abnormal
Image
Cause Step Solution
Color overlay
offset Toner cartridge
installation failure 1 Re-install the toner cartridge.
Middle transfer failure 2 Replace the transfer belt unit.
Color
duplication
failure AIDC failure 1 Re-install the transfer belt unit.
Paper transfer failure 2 Replace the transfer belt unit.
Varied density Contact failure 1 Re-install the transfer roller
unit.
Replace the transfer roller unit.
If this error occurs only
for one side, toner
cartridge is not
installed firmly. 2 Re-install the toner cartridge
or replace it.
Table 3-22. Image Quality Troubleshooting
Abnormal
Image
Cause Step Solution
ABCDE
ABCDE
ABCDE
ABCDE
ABCDE
ABCDE
ABCDE
ABCDE
ABCDE
ABCDE
ABCDE
ABCDE