Brother FAX-2840 Service Manual page 85

Error code A5
Scan Unable
Remove the original document. Turn the power off, then on again.
When scanning the fax, white or black compensation data for the CIS was not within the
correct range.
Error code A6
Scan Unable A6
See Troubleshooting and routine maintenance chapter in User's Guide.
Although operation was retried due to error A5 that occurred while scanning the fax, white or
black compensation data for the CIS was not within the correct range.
<User Check>
• Turn OFF the power switch, and turn it ON again after a while.
Step
1 Incorrect white level data
2 CIS unit failure
3 Main PCB failure
Error code A7
Print Unable A7
Turn the power off and then back on again.
Color parameter in the ROM does not match the CIS.
Error code A8
Scan Unable
See Troubleshooting and routine maintenance chapter in User's Guide.
An error was detected in the color parameter in the ROM during image processing.
Step
1 Incorrect white level data
2 CIS unit failure
3 Main PCB failure
Cause
Execute
Replace the CIS unit.
Replace the main PCB ASSY.
Cause
Execute
Replace the CIS unit.
Replace the main PCB ASSY.
2-48
Remedy
"Function code 55".
Remedy
"Function code 55".
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