Brother MFC-8460N Service Manual page 332

Error Code
(Hex)
Front cover opened.
A1
Document length exceeding
A2
the
During scanning, 90 cm or
longer of a document is
detected.
During document feeding or
ejecting, 400 cm or longer of
a document is detected.
The document rear sensor
A3
does not come ON during
document pull-in operation.
Not used.
A4
FAX
A5
(1st time)
FAX scanning failure. (retry)
A6
Not used.
A7-A9
The document
AA
opened when the ADF is
used.
Not used.
AB
Not used.
AC-AE
The scanner is locked.
AF
Not used.
B0
Dark level offset data level
B1
error for scanning.
Gain control data level error
B2
for scanning.
Symptom
scan limitation.
scanning failure.
cover is
Probable Cause
Hook of the front cover
sensor on the front cover
broken.
Front cover sensor
defective
Document jam
Document rear sensor
actuator does not move
smoothly.
Document jam
Document rear sensor
actuator does not move
smoothly.
Document rear sensor
broken
White-level reference film
stained in the scanner
cover
CCD unit defective
Main PCB defective
Document cover sensor
defective
Scanner lock
defective
Driver PCB defective
Scan level error
CCD unit defective
Main PCB defective
Scan level error
CCD unit defective
Main PCB defective
9-9
Solution
Replace the front cover.
Replace the front cover
sensor.
Remove the
document.
Set the document rear
sensor actuator into place.
Remove the
document.
Set the document rear
sensor actuator into place.
Replace the document rear
sensor.
Replace the scanner cover
(scanner unit).
Replace the CCD unit.
Replace the main PCB.
Replace the
cover sensor.
lever
Replace the scanner lock
lever.
Replace the driver PCB.
Execute the maintenance
mode 55.
Replace the CCD unit.
Replace the main PCB.
Execute the maintenance
mode 55.
Replace the CCD unit.
Replace the main PCB.
Confidential
jammed
jammed
document