Troubleshooting of Scanning
M085/M086 6-66 SM
6.6 TROUBLESHOOTING OF SCANNING
6.6.1 CANNOT SCAN THE DOCUMENT IN THE FB UNIT. (IF SCAN
THE DOCUMENT, IT IS COMPLETELY WHITE OR BLACK.)
User Check
Check if there is the scanning surface of the FB unit scanning document in the lower side.
Possible cause and Remedy
1. Document front actuator not operating smoothly or catching
Does document front actuator move smoothly?
No: Re-assemble the document front actuator.
2. Each harnesses of FB unit connection failure
Is the each harnesses of FB unit connected securely?
Yes: Reconnect the each harnesses of FB unit.
3. FB unit failure
Is the problem solved by replacing the FB unit?
Yes: Replace the FB unit.
4. Main PCB failure
Is the problem solved after replacing the main PCB ASSY?
Yes: Replace the main PCB ASSY.
6.6.2 CANNOT SCAN THE DOCUMENT IN THE ADF UNIT. (IF
SCAN THE DOCUMENT, IT IS COMPLETELY WHITE OR
BLACK.)
User Check
Check if there is the scanning surface of the ADF unit document in the upper side.
Possible cause and Remedy
1. Each harnesses of FB unit connection failure
Is the each harnesses of FB unit connected securely?
No: Reconnect the each harnesses of FB unit.
2. FB unit failure
Is the problem solved by replacing the FB unit?
Yes: Replace the FB unit.
3. Main PCB failure
Is the problem solved after replacing the main PCB ASSY?
Yes: Replace the main PCB ASSY.
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