Brother MFC-9320CW Service Manual page 124

■ Error code A7
Scan Unable A7
See Troubleshooting and routine maintenance chapter in User's Guide.
Scanning color parameter file failure
Error code A8
Scan Unable A8
See Troubleshooting and routine maintenance chapter in User's Guide.
Scanning color parameter error for recording the image
Step
1 Document scanner unit failure
2 Main PCB failure
■ Error code AD
Scan Unable AD
Remove the original document. Turn the power off, then on again.
Timeout error during waiting for completion of scanning DMA transfer
Step
1 Document scanner unit failure
2 Main PCB failure
■ Error code AF
Scan Unable AF
See Troubleshooting and routine maintenance chapter in User's Guide.
CIS unit home position error (The home position sensor cannot be detected.)
Step
1 Harness connection failure of
home position sensor.
2 Document scanner unit failure
3 Main PCB failure
Cause
Cause
Cause
3-43
Remedy
Replace the document scanner unit.
Replace the main PCB ASSY.
Remedy
Replace the document scanner unit.
Replace the main PCB ASSY.
Remedy
Check the harness connection of the
home position sensor and reconnect it.
Replace the document scanner unit.
Replace the main PCB ASSY.
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