EPSON AcuLaser C9200N
Revision D
Troubleshooting
Image quality problem
139
Confidential
3.5.3 Solution
<MONOCOLOR>
WHITE LINES IN SUB SCAN DIRECTION, WHITE BANDS IN SUB SCAN
DIRECTION, COLORED LINES COLORED BANDS IN SUB SCAN
DIRECTION
A. Typical Faulty Images
B. Troubleshooting Procedure
<MONOCOLOR>
WHITE LINES IN MAIN SCAN DIRECTION, WHITE BANDS IN MAIN
SCAN DIRECTION, COLORED LINES IN MAIN SCAN DIRECTION,
COLORED BANDS IN MAIN SCAN DIRECTION
A. Typical Faulty Images
B. Troubleshooting Procedure
Step
Section
Check Item
Result
Action
1
Photoconductor
Unit
The surface of the PC
Drum is scratched.
YES
Change Photoconductor Unit.
2
Dirty on the outside.
YES
Clean.
3
Contact terminals make
good connection between
each PU and machine.
NO
Clean contact terminals.
4
Developing bias contact
terminal makes good
connection.
NO
Clean contact terminal and
check terminal position.
5
PH Unit
The surface of the PH
Window is dirty.
YES
Clean with cleaning jig.
6
The problem has been
eliminated through the
checks of steps up to 5.
NO
Change Photoconductor Unit.
→
Change Transfer Belt.
(p.162)
→
Change PH Unit.
(p.175)
4036fs4021c0
4036fs4022c0
4036fs4023c0
4036fs4024c0
White lines in Sub
Scan Direction
White bands in Sub
Scan Direction
Colored lines in Sub
Scan Direction
Colored bands in
Sub Scan Direction
Step
Section
Check Item
Result
Action
1
Photoconductor
Unit
The surface of the PC
Drum is scratched.
YES
Change Photoconductor Unit.
2
Dirty on the outside.
YES
Clean.
3
Contact terminals make
good connection between
each PU and machine.
NO
Clean contact terminals.
4
Developing bias contact
terminal makes good
connection.
NO
Clean contact terminal and
check terminal position.
5
PH Unit
The surface of the PH
Window is dirty.
YES
Clean with cleaning jig.
6
The problem has been
eliminated through the
checks of steps up to 5.
NO
Change Photoconductor Unit.
→
Change Transfer Belt.
(p.162)
→
Change PH Unit.
(p.175)
4036fs4025c0
4036fs4027c0
4036fs4026c0
4036fs4028c0
White lines in Main
Scan Direction
White bands in Main
Scan Direction
Colored lines in Main
Scan Direction
Colored bands in
Main Scan
Direction
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 ...