Horizontal White Lines - Panasonic DP-1820P Service Manual

4.3.9.

Horizontal 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 Drum/Developer
Unit operational?
Are there any foreign particles
or stains in the Charge Unit?
Is the PS normal?
Are the Fuser and Pressure
Roller surfaces clean?
Ver. 1.2
START
No
Yes
Yes
No
No
Yes
Yes
No
No
Yes
No
Yes
END
P
Check the Scanner mechanism.
Replace the recording paper.
Replace the OPC Drum/Developer Unit.
1. Clean the Charge Wire
with a soft, dry cloth.
2. Replace the Charge Unit.
1. Check all connectors and
voltages on the PS.
2. Replace the PS.
Clean or replace the rollers.
129
DP-1520P/1820P/1820E
SEP 2004