EPSON AcuLaser C9200N
Revision D
Troubleshooting
Image quality problem
148
Confidential
<4-COLOR>
UNEVEN DENSITY IN SUB SCAN DIRECTION
A. Typical Faulty Images
B. Troubleshooting Procedure
<4-COLOR>
UNEVEN DENSITY 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 Unit that
has damages.
3
Terminal is dirty.
YES
Clean.
4
2nd Transfer
Roller
2nd Transfer Roller is
installed properly.
NO
Reinstall.
5
2nd Transfer Roller is dirty or
scratched.
YES
Change 2nd Transfer Roller
Unit.
(p.169)
6
The problem has been
eliminated through the checks
of steps up to 5.
NO
Change Transfer Belt Unit.
(p.162)
4036fs4043c0
4036fs4044c0
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
Terminal is dirty.
YES
Clean.
4
2nd Transfer
Roller
2nd Transfer Roller is
installed properly.
NO
Reinstall.
5
2nd Transfer Roller is dirty or
scratched.
YES
Change 2nd Transfer Roller.
(p.169)
6
The problem has been
eliminated through the checks
of steps up to 5.
NO
→
Change Transfer Belt Unit.
(p.162)
→
Change High Voltage Unit
(Image Transfer,
Neutralizing).
(p.230)
4036fs4046c0
4036fs4047c0
Summary of Contents for Aculaser C9200N
Page 1: ...SERVICE MANUAL A3 Color Laser Printer EPSONAcuLaser C9200N SEPG08001 Confidential ...
Page 11: ...Confidential C H A P T E R 1 PRODUCTDESCRIPTION ...
Page 31: ...Confidential C H A P T E R 2 OPERATINGPRINCIPLES ...
Page 96: ...Confidential C H A P T E R 3 TROUBLESHOOTING ...
Page 156: ...Confidential C H A P T E R 4 DISASSEMBLYANDASSEMBLY ...
Page 313: ...Confidential C H A P T E R 5 ADJUSTMENT ...
Page 331: ...Confidential C H A P T E R 6 MAINTENANCE ...