Vertical Dark Lines - Panasonic DP-8020E Service Manual

4.3.5.

Vertical Dark Lines

Is the Test Pattern printout in
Copier F1 Mode, or Fax
Service Mode 3 normal?
Is the OPC Drum/Developer
Unit operational?
Is the LSU normal?
Are the Fuser, and Pressure
Roller surfaces clean?
Ver. 1.0
START
No
Yes
No
Yes
No
Yes
No
Yes
END
P
Check the Scanner mechanism.
Replace the OPC Drum/Developer Unit.
Replace the LSU.
Clean, or replace the rollers.
192
DP-8020E/8020P/8016P
SEP 2006