87
4.4.7.
Dark Background
Is the Laser Unit (LSU) normal?
No
Yes
Replace the Laser Unit (LSU).
START
No
Yes
Check the Scanner mechanism.
Is the Toner Cartridge/
Drum Unit Assembly
operational?
No
Yes
Is the recording paper damp?
Yes
No
Replace the recording paper.
Replace the Toner Cartridge/
Drum Unit Assembly.
Is the Power Supply Unit
normal?
1. Check all connectors and
voltages on the Power Supply
Unit.
2. Check the Spring Connector
and voltages on the Power
Supply Unit.
3. Replace the Power Supply Unit.
Yes
No
END
No
Yes
Clean or replace the rollers.
Paper Travel
P
Are the Fuser and Pressure
Roller surfaces clean?
Is the printout in Service
Mode 3 normal?
Summary of Contents for Panafax UF-490
Page 2: ...2 ...
Page 15: ...15 1 4 Control Panel For USA and Canada For Other Countries ...
Page 37: ...37 24 Remove the Pressure Roller 322 25 Remove the Exit Roller 304 24 25 ...
Page 63: ...63 3 10 ILS PC Board CN73 Refer to SC PC Board CN11 ...
Page 65: ...65 3 12 ACI PC Board Refer to Power Supply Unit CN101 ...