Epson Aculaser C9200N - Abcde; 4-Color; Low Image Density (Decrease of ID)

EPSON AcuLaser C9200N Revision D
Troubleshooting Image quality problem 149
Confidential
<4-COLOR>
LOW IMAGE DENSITY (DECREASE OF ID)
A. Typical Faulty Images
B. Troubleshooting Procedure
Step Section Check Item Result Action
1 Paper Paper is damp. YES Change paper to one just
unwrapped from its package.
Install Paper Dehumidifying
Heater.
2 Transfer Belt
Unit
Terminal is dirty. YES Clean.
3 2nd Transfer
Roller
2nd Transfer Roller is
installed properly.
NO Reinstall.
4 Charge Neutralizing Cloth is
not separated and ground
terminal is connected
properly.
NO Correct or change.
5 IDC Sensor Sensor is dirty. YES Clean with blower brush.
6 Replenish
Toner
Execute the "Toner Admix" in
the Maintenance Menu to
charge toner.
NO Go to next step.
7 Adjust Density Change the setting value for
"Max Density" in the Printer
Adjust Menu.
NO Go to next step.
ABCDE
ABCDE
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8 The problem has been
eliminated through the checks
of steps up to 6.
NO Change Transfer Belt Unit.
(p.162)
→ Change Controlzler Board.
(p.198)
→ Change High Voltage Unit
(Image Transfer,
Neutralizing).
(p.230)
Step Section Check Item Result Action