Brother DCP-8110DN Service Manual page 102

Error code AC00
Scan Unable
Remove the original document. Turn the power off, then on again.
When scanning the fax, white or black correction data for the second side CIS was not within
the correct range.
<User Check>
• Clean the second side document hold.
Step
1 Second side CIS unit failure
2 Main PCB failure
Error code AD00
Scan Unable
Remove the original document. Turn the power off, then on again.
Image processing cannot be completed correctly because the number of pixels required for
image processing is insufficient in the scanned data for the front side of the document.
Step
Incorrect correction data for
1
first side CIS
2 First side CIS unit failure
3 Main PCB failure
Error code AE00
This error does not usually occur during normal use. The possible causes are noise around
the installation site, fluctuation of the power supply voltage, and failures in the software.
---
An unidentified error occurred.
Step
1 Main PCB failure
Error code AF00
Scan Unable AF
See Troubleshooting and routine maintenance chapter in User's Guide.
Home position is still being detected even after the first side CIS for the document scanner
unit was moved.
Step
1 CIS drive belt coming off
2 First side CIS unit failure
Document scanner motor
3
failure
4 Main PCB failure
Cause
Replace the second side CIS unit.
Replace the main PCB ASSY.
Cause
Execute function code 55.
Replace the first side CIS unit.
Replace the main PCB ASSY.
Cause
Replace the main PCB ASSY.
Cause
Reattach the CIS drive belt.
Replace the first side CIS unit.
Replace the document scanner unit.
Replace the main PCB ASSY.
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Remedy
Remedy
Remedy
Remedy
Confidential