Panasonic UF-8100 Service Manual page 92

4.3.7. Dark Background
Is the printout in Service
Mode 3 normal?
Is the recording paper damp?
Is the Toner Cartridge
operational?
Is the Laser Unit (LSU) normal?
Is the Power Supply Unit
(HVPS) normal?
Are the Fuser, and Pressure
Roller surfaces clean?
Ver. 2.1
START
Yes
No
Yes
No
No
Yes
No
Yes
No
Yes
No
Yes
END
92
P
Check the Scanner mechanism.
Replace the recording paper.
Replace the Toner Cartridge.
Replace the Laser Unit (LSU).
1. Check all connectors, and
voltages on the Power Supply
Unit (HVPS).
2. Replace the Power Supply Unit
(HVPS).
Clean, or replace the rollers.
UF-7000/8000
UF-7100/8100
APR 2007