Epson Aculaser C9200N - 4-Color; 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 Revision D
Troubleshooting Image quality problem 146
Confidential
<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
B. Troubleshooting Procedure
Step Section Check Item Result Action
1 Transfer Belt
Unit
Fingerprints, oil, or other
foreign matter is evident on
the Transfer Belt
YES Clean with specified solvent.
(Refer to Chapter 6 "
MAINTENANCE (p. 331)")
2 Transfer Belt is dirty or
scratched.
YES Clean dirty belt with a soft cloth.
Change Transfer Belt Unit that
has damages.
3 Cleaning Blade is not
effective in removing toner
completely.
YES Clean Cleaning blade.
Change Transfer Belt Unit.
(p.162)
4 2nd Transfer
Roller
2nd Transfer Roller is dirty or
scratched.
YES Change 2nd Transfer Roller.
(p.169)
5 Paper path There is foreign matter on
paper path.
YES Remove foreign matter.
6 Image Transfer Paper Separator
Fingers are damaged or dirty.
YES Clean or change.
7 Fusing Unit Fusing Entrance Guide Plate
is dirty or damaged.
YES Clean.
Change Fusing Unit. (p.162)
8 Fusing Paper Separator
Fingers are dirty.
YES Clean.
4036fs4023c0 4036fs4024c0
4036fs4021c0
4036fs4022c0
White lines in Sub
Scan Direction
White bands in Sub
Scan Direction
Colored lines in Sub
Scan Direction
Colored bands in
Sub Scan Direction
9 The problem has been
eliminated through the checks
of steps up to 8.
NO Change Controller Board.
(p.198)
Step Section Check Item Result Action