Brother DCP-9055CDN Service Manual page 115

■ Error code A2
Document Jam
Clear the scanner jam, then press the Stop Key.
During scanning, 90 cm or longer of a document is detected.
<User Check>
- Check if the document is jammed in the ADF. If it is jammed, remove it.
Step
1 Document first side rear actuator
catching on some position
2 Document first side rear
sensor failure
3 Main PCB failure
■ Error code Error code A3
Document Jam
Clear the scanner jam, then press the Stop Key.
The document first side rear sensor does not detect the leading edge of a document although
the document is fed farther than a designated distance.
<User Check>
- Check if the document is jammed in the ADF. If it is jammed, remove it.
Step
1 Document first side rear actuator
catching on some position
2 Second side rear sensor
catching on some position
3 ADF motor failure
4 Document first side rear
sensor failure
5 Second side rear sensor failure
6 Main PCB failure
7 ADF drive unit failure
Cause
Cause
2-77
Remedy
Correct catching of the document first side
rear actuator.
Replace the document first side rear
sensor PCB ASSY.
Replace the main PCB ASSY.
Remedy
Correct catching of the document first side
rear actuator.
Correct catching of the second side rear
sensor.
Replace the ADF motor.
Replace the document first side rear
sensor PCB ASSY.
Replace the second side rear sensor.
Replace the main PCB ASSY.
Replace the ADF unit.
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