EPSON AcuLaser C9200N
Revision D
Troubleshooting
Image quality problem
141
Confidential
<MONOCOLOR>
LOW IMAGE DENSITY (DECREASE OF ID)
A. Typical Faulty Images
B. Troubleshooting Procedure
Step
Section
Check Item
Result
Action
1
Photoconductor
Unit
Dirty on the outside.
YES
Clean.
2
PH Unit
The surface of the PH
Window is dirty.
YES
Clean with cleaning jig.
3
TCR Sensor
window
The color TCR Sensor
window on the LED Assy is
dirty.
YES
Clean.
4
Transfer Belt
Unit
Transfer Belt makes positive
contact with plates on rails.
NO
Check and correct contacts.
5
Cam gear operates properly
NO
Change Transfer Belt Unit.
(p.162)
6
Hopper Unit
Connectors are loose.
YES
Reconnect.
7
Gear is cracked.
YES
Change gear.
8
Replenish
Toner
Execute the "Toner Admix" in
the Maintenance Menu to
charge toner.
NO
Go to next step.
9
Adjust Density
Change the setting value for
"Max Density" in the Printer
Adjust Menu.
NO
Go to next step.
ABCDE
ABCDE
ABCDE
ABCDE
ABCDE
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10
The problem has been
eliminated through the checks
of steps up to 9.
NO
Change Photoconductor Unit.
→
Change Controller Board.
(p.198)
→
Change PH Unit.
(p.175)
→
Change High Voltage Unit
(Image Transfer,
Neutralizing).
(p.230)
Step
Section
Check Item
Result
Action
Содержание Aculaser C9200N
Страница 1: ...SERVICE MANUAL A3 Color Laser Printer EPSONAcuLaser C9200N SEPG08001 Confidential ...
Страница 11: ...Confidential C H A P T E R 1 PRODUCTDESCRIPTION ...
Страница 31: ...Confidential C H A P T E R 2 OPERATINGPRINCIPLES ...
Страница 96: ...Confidential C H A P T E R 3 TROUBLESHOOTING ...
Страница 156: ...Confidential C H A P T E R 4 DISASSEMBLYANDASSEMBLY ...
Страница 313: ...Confidential C H A P T E R 5 ADJUSTMENT ...
Страница 331: ...Confidential C H A P T E R 6 MAINTENANCE ...
Страница 337: ...Confidential C H A P T E R 7 APPENDIX ...
Страница 362: ...EPSON AcuLaser C9200N Revision D APPENDIX Information Sheet 362 Confidential Figure 7 5 Maintenance Status Sheet ...