Service manual

Others Problems
M085/M086 6-86 SM
6.11 OTHERS PROBLEMS
6.11.1 THE MACHINE IS NOT TURNED ON, OR THE LCD
INDICATION DOES NOT APPEAR.
Possible cause and Remedy
1. Harness connection failure of panel PCB
 Is the harness of the panel PCB ASSY connected correctly?
No: Reconnect the panel PCB ASSY harness.
2. Panel PCB failure
 Is the problem solved after replacing the panel PCB ASSY?
Yes: Replace the panel PCB ASSY.
3. LCD failure
 Is the problem solved after replacing the LCD?
Yes: Replace the LCD.
4. LVPS PCB failure
 Is the problem solved after replacing the LVPS PCB unit?
Yes: Replace the LVPS PCB unit.
5. Main PCB failure
 Is the problem solved after replacing the main PCB ASSY?
Yes: Replace the main PCB ASSY.
6.11.2 THE FAN DOES NOT WORK.
Possible cause and Remedy
1. Harness connection failure of the fan motor 60 ASSY.
 Is the harness of the fan motor 60 ASSY connected correctly?
No: Reconnect the harness of the fan motor 60 ASSY correctly.
2. Toner LED PCB ASSY failure
 Is the problem solved after replacing the toner LED PCB ASSY?
Yes: Replace the toner LED PCB ASSY.
3. Main PCB failure
 Is the problem solved after replacing the main PCB ASSY?
Yes: Replace the main PCB ASSY.