103
4.4.2.
Blank Copy
START
END
Check the Scanner mechanism.
Are there any foreign particles
or stains on the BTR?
Is the Toner Cartridge
operational?
Is the Power Supply Unit
normal?
Yes
Yes
Yes
No
No
No
Replace the Toner Cartridge .
Yes
No
1. Clean the BTR with a soft,
dry cloth.
2. Replace the BTR.
1. Check all connectors and
voltages on the Power Supply
Unit.
2. Check the Connector and
voltage on the Power
Supply Unit.
3. Replace the Power Supply Unit.
Are there any foreign particles
or stains blocking the Laser
Beam path?
Yes
No
Is the SC PCB normal?
1. Remove the particles from the
laser beam path or clean the stains.
2. Replace the Laser Unit (LSU).
1. Check all connectors and
voltages on the SC PCB.
2. Replace the SC PCB.
Yes
No
Paper Travel
Is the printout in Service
Mode 3 normal?
Summary of Contents for Facsimile UF-590
Page 17: ...17 1 4 Control Panel For USA and Canada UF 790 UF 780 790 780 ...
Page 18: ...18 For Other Destinations UF 590 UF 580 ...
Page 27: ...27 10 Remove 2 P6A Bushings 316 11 Remove the Eject Roller 303 10 11 ...
Page 33: ...33 11 Remove 2 Screws 4N 12 Remove the Paper Feed Rollers 518 11 12 ...
Page 294: ...294 4 3 2 1 D C B A 1 2 3 4 Drawing Name HVPS 2 4 Model UF 580 590 780 790 ...
Page 295: ...295 4 3 2 1 D C B A 1 2 3 4 Drawing Name HVPS 3 4 Model UF 580 590 780 790 ...
Page 296: ...296 4 3 2 1 D C B A 1 2 3 4 Drawing Name HVPS 4 4 Model UF 580 590 780 790 ...
Page 297: ...297 4 3 2 1 D C B A 1 2 3 4 Drawing Name LVPS 1 1 Model UF 580 590 780 790 ...
Page 298: ...DZZSM00158 ...