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Confidential
■ Error code A7
Scanning color parameter file failure
Error code A8
Scanning color parameter error for recording the image
■ Error code AD
Timeout error during waiting for completion of scanning DMA transfer
■ Error code AF
CIS unit home position error (The home position sensor cannot be detected.)
Scan Unable A7
See Troubleshooting and routine maintenance chapter in User’s Guide.
Scan Unable A8
See Troubleshooting and routine maintenance chapter in User’s Guide.
Step Cause Remedy
1 Document scanner unit failure Replace the document scanner unit.
2 Main PCB failure Replace the main PCB ASSY.
Scan Unable AD
Remove the original document. Turn the power off, then on again.
Step Cause Remedy
1 Document scanner unit failure Replace the document scanner unit.
2 Main PCB failure Replace the main PCB ASSY.
Scan Unable AF
See Troubleshooting and routine maintenance chapter in User’s Guide.
Step Cause Remedy
1 Harness connection failure of
home position sensor.
Check the harness connection of the
home position sensor and reconnect it.
2 Document scanner unit failure Replace the document scanner unit.
3 Main PCB failure Replace the main PCB ASSY.
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