Service manual

Image Defect Troubleshooting (Defect of the Print)
M085/M086 6-58 SM
14 Faint print
User Check
1. Check that the machine is installed on a level surface.
2. Replace the toner cartridge with a new one.
3. Clean the scanner windows of the laser unit with a soft cloth.
(
p.6-46 "1 Light")
Possible cause and Remedy
1. Main PCB failure
 Is the problem solved after replacing the main PCB ASSY?
Yes: Replace the main PCB ASSY.
2. Laser unit failure
 Is the problem solved after replacing the laser unit?
Yes: Replace the laser unit.
3. Toner empty sensor failure
 Is the "Toner Life End" message indicated on the LCD after replacing the current toner
cartridge with the empty toner cartridge?
No: Replace the toner sensor PCB ASSY.