Panasonic DP-C405 Service Handbook page 300

3.3.8. Vertical Dark Lines
Is the Test Pattern printout in
Copier F1 Mode normal?
Is the Drum/Developer Unit
operating properly?
Is the LSU operating properly?
Is the IT Unit operating
properly?
Is the Fuser Belt surface
clean?
Ver. 1.1
START
No
Yes
No
Yes
Yes
No
No
Yes
No
Yes
END
300
P
Check the Scanner mechanism.
Replace the Drum/Developer Unit.
Replace the LSU.
Check the IT mechanism.
Replace the Fuser Belt Unit.
DP-C405/C305/C265
FEB 2008