Brother DCP 8040 - B/W Laser - All-in-One Service Manual page 212

Error
Code
(Hex)
A2 Document too long to scan.
Document not detected by the document
rear sensor.
A3
The document cover is not closed.
AA
AE The CCD HP sensor will not come ON.
The CCD HP sensor will not go OFF.
AF
Reading motor half inserted.
B0
Dark level offset data level error for
B1
scanning.
B2 Gain control data level error for scanning.
B3 Scan area left edge detection error.
Scan area right edge detection error.
B4
Horizontal scanning edge reduction
B5
detection error in scanning area setting.
Horizontal scanning edge enlargement
B6
detection error in scanning area setting.
White level data error.
BB
Black level data error.
BD
Scan starting edge detection error.
BE
Modem error.
D*
Out of recording paper.
E4
Write error in EEPROM.
E6
E8 Data scanning error during transmission.
EA Document removed at phase B.
Error factor
6-9
MFC-8440/8840D/8840DN, DCP-8040/8045D/8045DN
Check:
Document front sensor
Document rear sensor
Document sensor PCB
Document feed roller
ADF motor
Main PCB
Remove the document and close the
document cover.
CCD unit
CCD flat cable
Driver PCB
Main PCB
Reading motor harness
CCD unit
Main PCB
CCD unit
Main PCB
Black markings on the white-level
reference film inside the scanner
top cover
CCD unit
CCD flat cable
Driver PCB
CCD unit
Main PCB
CCD unit
CCD flat cable
Driver PCB
Black markings on the white-level
reference film inside the scanner
top cover
Main PCB
ASF
Registration sensor
Main PCB
Driver PCB
CCD unit
Main PCB
SERVICE MANUAL