Panasonic UF-9000 Service Manual page 94

4.3.5. Vertical Dark Lines
Is the printout in Service
Mode 3 normal?
Is the Toner Cartridge
operational?
Are there any foreign particles
or stains on the BTR?
Is the Laser Unit (LSU)
normal?
Are the Fuser and Pressure
Roller surfaces clean?
Carefully wipe the Corona Wire in the Toner Cartridge by sliding
a dry Cotton Swab from end to end a few times.
Ver. 3.0
START
Yes
No
No
Yes
Yes
No
No
Yes
No
Yes
END
94
P
Check the Scanner mechanism.
1. Clean the Corona Wire
as illustrated below.
2. Replace the Toner Cartridge.
1. Clean the BTR with a soft, dry
cloth.
2. Replace the BTR.
Replace the Laser Unit (LSU).
Clean or replace the rollers.
UF-9000
DP-180/190
Corona Wire
APR 2006