Image Defect Troubleshooting (Defect of the Print)
SM 6-49 M085/M086
Trouble –
shooting
4 Poor fixing
User Check
1. Replace the drum unit with a new one.
2. Replace the toner cartridge with a new one.
Possible cause and Remedy
1. High pressure of pressure roller in the fuser unit
Is the problem solved after replacing the position of the pressure roller?
Yes: Replace the position of the pressure roller. (
p.6-40 "Curl in the paper")
2. Fuser unit failure
Is the problem solved after replacing the fuser unit?
Yes: Replace the fuser unit.
3. LVPS PCB failure
Is the problem solved after replacing the LVPS PCB unit?
Yes: Replace the LVPS PCB unit.
4. HVPS PCB failure
Is the problem solved after replacing the HVPS PCB ASSY?
Yes: Replace the HVPS PCB ASSY.
5. Main PCB failure
Is the problem solved after replacing the main PCB ASSY?
Yes: Replace the main PCB ASSY.
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