Toshiba e-studio191f Service Manual page 103

4.3.7. Dark Background
P
START
Is the printout in Service
Mode 3 normal?
No
Is the recording paper damp?
No
Is the Toner Cartridge
operational?
Yes
Is the Laser Unit (LSU) normal?
Yes
Is the Power Supply Unit
(HVPS) normal?
Yes
Are the Fuser, and Pressure
Roller surfaces clean?
Yes
END
Yes
Check the Scanner mechanism.
Yes
Replace the recording paper.
No
Replace the Toner Cartridge.
No
Replace the Laser Unit (LSU).
No
1. Check all connectors, and
voltages on the Power Supply
Unit (HVPS).
2. Replace the Power Supply Unit
(HVPS).
No
Clean, or replace the rollers.
103
DP-1910F