Service manual

Error Cause
SM 6-31 M085/M086
Trouble –
shooting
Error code AD
Scan Unable AD
Remove the original document, Turn the power off, then on again.
DMA transfer error
Step Cause Remedy
1 FB unit failure Replace the FB unit.
2 Main PCB failure Replace the main PCB ASSY
Error code AF
Scan Unable AF
Remove the original document. Turn the power off, then on again.
FB unit home position failure
Step Cause Remedy
1 FB unit failure Replace the FB unit.
2 Main PCB failure Replace the main PCB ASSY.