Brother DCP-L8400CDN Service Manual page 108

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Error code A700
Print Unable A7
Turn the power off and then back on again.
The ROM color parameter does not match the first side CIS or second side CIS.
Error code A900
Scan Unable A9
-
When an image was scanned and processed, a scanning error occurred.
Step
1 First side or second side CIS unit
calibration data error
2 First side CIS flat cable damaged
3 Second side CIS flat cable
damaged
4 First side CIS unit failure
5 Second side CIS unit failure
6 Main PCB failure
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Error code AC00
Scan Unable
Remove the original document. Turn the power off, then on again.
Upon scanning a fax, the second side white or black calibration data was not within the normal
range.
Step
1 Second side CIS unit calibration
data error
2 Second side CIS flat cable
damaged
3 Second side CIS unit failure
4 Main PCB failure
Cause
Perform
(Refer to
data and setting of CIS scanning area
(Function code 55)" in this
Replace the first side CIS flat cable.
Replace the second side CIS flat cable.
Replace the first side CIS unit.
Replace the second side CIS unit.
Replace the main PCB ASSY.
Cause
Perform
(Refer to
data and setting of CIS scanning area
(Function code 55)" in this
Replace the second side CIS flat cable.
Replace the second side CIS unit.
Replace the main PCB ASSY.
2-78
Remedy
"Function code 55".
"1.3.19 Acquisition of white level
chapter.)
Remedy
"Function code 55".
"1.3.19 Acquisition of white level
chapter.)
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