Epson Aculaser C9200N - 4-Color; Void Areas, White Spots

EPSON AcuLaser C9200N Revision D
Troubleshooting Image quality problem 152
Confidential
<4-COLOR>
VOID AREAS, WHITE SPOTS
A. Typical Faulty Images
B. Troubleshooting Procedure
Step Section Check Item Result Action
1 Image Check There are void areas at the front
side or high density section.
YES p.149
2 There are void areas in the
trailing edge.
YES Change the setting value of "TR
XXX" in the Printer Adjust
Menu.
3 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)")
4 Transfer Belt is dirty or
scratched.
YES Clean dirty belt with a soft
cloth. Change Transfer Belt
Unit that has damages.
5 2nd Transfer
Roller
2nd Transfer Roller is dirty or
scratched.
YES Change 2md Transfer Roller.
(p.169)
6 Charge Neutralizing Cloth is
not separated and ground
terminal is connected
properly.
NO Correct or change.
7 Paper path There is foreign matter on
paper path.
Remove foreign matter.
8 Pre-Image Transfer Guide
Plate is damaged or dirty.
Clean or change.
4036fs4050c0
4036fs4051c0
Void area White spots
9 The problem has been
eliminated through the checks
of steps up to 8.
NO Change Transfer Belt Unit.
(p.162)
Step Section Check Item Result Action