A1 The Document Scanner Sensor Detected That The Document Scanner Unit Is Open; The Document Scanning Position Sensor Detected That The Document Has A Length Of 90 Cm Or Longer - Brother DCP-J552DW 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 PCB ASSY.
Replace the document scanner.
Replace the main PCB ASSY.
Cause
Reattach the document scanning position actuator.
Replace the document scanning position sensor PCB
ASSY.
Replace the ADF unit.
Replace the main PCB ASSY.
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LCD
Solution
LCD
Solution
Confidential