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

EPSON AcuLaser C9200N
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WHITE LINES IN MAIN SCAN DIRECTION, WHITE BANDS IN MAIN
SCAN DIRECTION, COLORED LINES IN MAIN SCAN DIRECTION, AND

COLORED BANDS IN MAIN SCAN DIRECTION

A. Typical Faulty Images
White bands in
White lines in Main
Main Scan
Scan Direction
Direction
4036fs4025c0
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.
Troubleshooting
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Colored lines in Main Colored bands in
Scan Direction
4036fs4026c0
4036fs4027c0
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 if belt is
damaged.
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.
manuals search engine
Step Section
7 Fusing Unit
8
9 Neutralizing
Main Scan Brush
Direction
10
4036fs4028c0
Action
"
331)")
Image quality problem
Check Item Result
Fusing Entrance Guide Plate YES Clean.
is dirty or damaged.
Change Fusing Unit.
Fusing Paper Separator YES Clean.
Fingers are dirty.
The resistance values between NO Check the contact. Modify.
the Neutralizing brush and the Change Neutralizing brush.
ground terminal is not ∞.
The problem has been NO Change Controller Board.
eliminated through the checks (p.198)
of steps up to 9.
Revision D
Action
(p.162)
147
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