Brother DCP-9010CN Service Manual page 134

■ Error code A1
Cover is Open
Close the Top Cover.
Top cover opened (The top cover open switch sticks at OFF.)
<User Check>
- Close the top cover.
Step
1 Harness connection failure of top
cover switch ASSY
2 The member to press the top
cover switch at the right side of
the inside of the top cover is
broken.
3 HVPS control PCB failure
4 Main PCB failure
■ 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
Error code A3
Document Jam
Clear the scanner jam, then press the Stop Key.
The document 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 rear actuator catching
on some position.
2 Harness connection failure of
ADF sensor PCB
3 Document rear sensor failure
4 Main PCB failure
Cause
Cause
3-42
Remedy
Check the harness connection of the top
cover switch ASSY and reconnect it.
Replace the top cover sub ASSY.
Replace the HVPS control PCB ASSY.
Replace the main PCB ASSY.
Remedy
Correct catching of the document rear
actuator.
Check the harness connection of the ADF
sensor PCB and reconnect it.
Replace the ADF sensor PCB ASSY.
Replace the main PCB ASSY.
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