Monocolor> Void Areas, White Spots; Monocolor> Colored Spots - Epson AcuLaser C9200N Service Manual

EPSON AcuLaser C9200N
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VOID AREAS, WHITE SPOTS
A. Typical Faulty Images
Void areas
B. Troubleshooting Procedure
Step Section
1 Image Check There are void areas at the
front side or high density
section.
2 There is void area at the rear
side section.
3 Photoconducto The surface of the PC Drum is
r Unit scratched.
4 Dirty on the outside.
5 Toner Foreign matter or caked toner
Cartridge in the Toner Cartridge.
Troubleshooting
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White spots
4036fs4051c0
4036fs4050c0
Check Item Result
YES Refer to p.141.
YES Change the setting value of
"TR XXX" in the Printer
Adjust Menu.
YES Change Photoconductor Unit.
YES Clean.
YES Remove foreign matter.
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COLORED SPOTS
A. Typical Faulty Images
B. Troubleshooting Procedure
Action Step Section
1 Photoconductor
Unit
2
3
Image quality problem
Colored spots
AA AA
4036fs4052c0
Check Item Result
Developing bias contact NO Clean contact terminal and
terminal makes good check terminal position.
connection.
The surface of the PC Drum is YES Change Photoconductor Unit.
scratched.
Dirty on the outside. YES Clean.
Revision D
Action
143
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