White Lines In Sub Scan Direction; White Bands In Sub Scan Direction; Colored Lines In Sub Scan Direction; Colored Bands In Sub Scan Direction - Epson AcuLaser C9200N Service Manual

EPSON AcuLaser C9200N
<4-COLOR>
WHITE LINES IN SUB SCAN DIRECTION, WHITE BANDS IN SUB SCAN
DIRECTION, COLORED LINES IN SUB SCAN DIRECTION, AND

COLORED BANDS IN SUB SCAN DIRECTION

A. Typical Faulty Images
White lines in Sub White bands in Sub
Scan Direction Scan Direction
4036fs4021c0
B. Troubleshooting Procedure
Step Section
1 Transfer Belt Fingerprints, oil, or other
Unit foreign matter is evident on
the Transfer Belt
2 Transfer Belt is dirty or
scratched.
3 Cleaning Blade is not
effective in removing toner
completely.
4 2nd Transfer 2nd Transfer Roller is dirty or
Roller scratched.
5 Paper path There is foreign matter on
paper path.
6 Image Transfer Paper Separator
Fingers are damaged or dirty.
7 Fusing Unit Fusing Entrance Guide Plate
is dirty or damaged.
8 Fusing Paper Separator
Fingers are dirty.
Troubleshooting
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Colored lines in Sub Colored bands in
Scan Direction Sub Scan Direction
4036fs4022c0
4036fs4023c0
Check Item Result
YES Clean with specified solvent.
(Refer to Chapter 6
MAINTENANCE (p.
YES Clean dirty belt with a soft cloth.
Change Transfer Belt Unit that
has damages.
YES Clean Cleaning blade.
Change Transfer Belt Unit.
(p.162)
YES Change 2nd Transfer Roller.
(p.169)
YES Remove foreign matter.
YES Clean or change.
YES Clean.
Change Fusing Unit.
YES Clean.
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Step Section
9
4036fs4024c0
Action
"
331)")
(p.162)
Image quality problem
Check Item Result
The problem has been NO Change Controller Board.
eliminated through the checks (p.198)
of steps up to 8.
Revision D
Action
146
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