Epson Aculaser C9200N - 4-Color; White Lines in Main Scan Direction; White Bands in Main Scan Direction; Colored Lines in Main Scan Direction

EPSON AcuLaser C9200N Revision D
Troubleshooting Image quality problem 147
Confidential
<4-COLOR>
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
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 if belt is
damaged.
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.
4036fs4025c0
4036fs4026c0
4036fs4027c0
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
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.
9 Neutralizing
Brush
The resistance values between
the Neutralizing brush and the
ground terminal is not
∞.
NO Check the contact. Modify.
Change Neutralizing brush.
10 The problem has been
eliminated through the checks
of steps up to 9.
NO Change Controller Board.
(p.198)
Step Section Check Item Result Action