Panasonic DP-1510P Service Manual page 200

4.3.3. Vertical White Lines
Is the Test Pattern printout in
Copier F1 Mode or Fax
(DP-1810F) Service Mode 3
normal?
Is the recording paper damp?
Is the Process Unit
operational?
Are there any foreign particles
or stains blocking the Laser
Beam path?
Are there any foreign particles
or stains on the BTR?
Are the Fuser and Pressure
Roller surfaces clean?
Edition 2.0
START
Yes
No
Yes
No
No
Yes
Yes
No
Yes
No
No
Yes
END
P
Check the Scanner mechanism.
Replace the recording paper.
Replace the Process Unit.
1. Remove the particles from
the laser beam path or clean the stains.
2. Replace the LSU.
1. Clean the BTR with a soft, dry cloth.
2. Replace the BTR.
Clean or replace the rollers.
200
DP-1510P/1810P
/1810F/2010E
APR 2002