The Document Scanner Sensor Detected That The Document Scanner Unit Is Open - Brother MFC Series Service Manual

■ Error Code A1
Cover is Open

The Document scanner sensor detected that the Document scanner unit is open.

<User Check>
- Close the Document scanner unit.
Step
1 Document scanner actuator
out of place
2 Document scanner sensor
harness connection failure
3 Document scanner sensor
defective
4 The boss which pushes the
Document scanner actuator of
the Document scanner unit is
damaged
5 Main PCB defective
■ Error Code A2
DOCUMENT JAM
The Document scanning position sensor detected that the document has a length of 900
mm or longer.
<User Check>
- Check if the document scanned is longer than the specified limit.
- Remove the jammed document.
Step
1 Document caught in the
Document scanning position
actuator
2 Document scanning position
sensor defective
3 ADF motor defective
4 Main PCB defective
Cause
Reattach the Document scanner actuator.
Reconnect the Document scanner sensor
harness.
Replace the Document scanner sensor ASSY.
Replace the Document scanner unit.
Replace the Main PCB ASSY.
Cause
Reattach the Document scanning position
actuator.
Replace the Document scanning position
sensor PCB.
Replace the ADF unit.
Replace the Main PCB ASSY.
2-40
LCD
Solution
LCD
Solution
Confidential