Vertical White Lines - Panasonic DP-3510 Service Manual

4.3.3.

Vertical White Lines

Is the Test Pattern printout in
Copier F1 Mode or Fax
Service Mode 3 normal?
Is the recording paper damp?
Is the OPC/Developer Unit
operational?
Are there any foreign particles
or stains blocking the Laser
Beam path?
Are there any foreign particles
or stains in the Corona Unit?
Are the Fuser and Pressure
Roller surfaces clean?
Ver. 5.2
START
No
Yes
Yes
No
No
Yes
Yes
No
Yes
No
No
Yes
END
DP-3510/3520/3530/4510/4520/4530/6010/6020/6030
P
Check the Scanner mechanism.
Replace the recording paper.
Replace the OPC/Developer Unit.
1. Remove the particles from
the laser beam path or clean the stains.
2. Replace the LSU.
1. Clean the Corona Wire
with a soft, dry cloth.
2. Replace the Corona Unit.
Clean or replace the rollers.
154
JAN 2006