Brother MFC-8460N Service Manual page 333

Error Code
(Hex)
B3 Scan area left edge detection
error.
B4 Scan area right edge
detection error.
B5 Horizontal scanning edge
reduction detection error in
scanning area setting
B6
Horizontal scanning edge
enlargement detection error
in scanning area setting
B7-BA Not used.
BB White level data error
BC Not used.
BD Black level data error
BE Scan starting edge detection
error
Symptom
9-10
Probable Cause
Black markings on the
white-level reference film
inside the scanner top
cover.
CCD unit defective
Main PCB defective
Black markings on the
white-level reference film
inside the scanner top
cover.
CCD unit defective
Main PCB defective
Black markings on the
white-level reference film
inside the scanner top
cover.
CCD unit defective
Main PCB defective
Black markings on the
white-level reference film
inside the scanner top
cover.
CCD unit defective
Main PCB defective
Scan level error
CCD unit defective
Main PCB defective
Scan level error
CCD unit defective
Main PCB defective
Black markings on the
white-level reference film
inside the scanner top
cover.
CCD unit defective
Main PCB defective
Solution
Clean the white-level
reference film.
Replace the CCD unit.
Replace the main PCB.
Clean the white-level
reference film.
Replace the CCD unit.
Replace the main PCB.
Clean the white-level
reference film.
Replace the CCD unit.
Replace the main PCB.
Clean the white-level
reference film.
Replace the CCD unit.
Replace the main 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.
Clean the white-level
reference film.
Replace the CCD unit.
Replace the main PCB.
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