Document Scanner Sensor Detects That Document Scanner Is Open; A2 Document Scanning Position Sensor Detects Length Of Document 90 Cm Or More - Brother DCP-J4110DW Service Manual

Error Code A1

Cover is Open
scanner sensor detects that
Document
User Check
- Close the document scanner.
Step
1
Sensor relay PCB harness
connection failure
2
Document scanner sensor
defective
3
Document scanner unit boss
broken
4
Main PCB defective
Error Code A2

Document Jam
Document scanning position sensor detects length of document 90 cm or more.
User Check
- Check whether the document scanned is longer than the specified limit.
- Remove the jammed document.
Step
1 Document scanning position
actuator caught on the
surrounding parts
2 Document scanning position
sensor defective
3 ADF motor defective
4 Document feed roller worn out
5 Sensor relay PCB defective
6 Main PCB defective
scanner is open.
document
Cause
Reconnect the sensor relay PCB harness.
Replace the sensor relay PCB ASSY.
Replace the document scanner unit.
Replace the main PCB ASSY.
Cause
Set the document scanning position actuator into
place.
Replace the document scanning position sensor
PCB.
Replace the ADF motor.
Replace the ADF unit.
Replace sensor relay PCB.
Replace the main PCB ASSY.
2-50
LCD
Solution
LCD
Solution
Confidential