Brother MFC-J2320 Service Manual page 87

Error Code A3

Document Jam
Document detection sensor detects that document is pulled out during document
scanning. Or, the first side document scanning position sensor cannot detect document
within specified time.
User Check
- Remove the jammed document.
Step
1 Foreign materials in the
document feeding path
2 Document detection actuator
caught on the surrounding
parts
3 First side document scanning
position actuator out of place
4 First side document scanning
position sensor harness
connection failure
5 First side document scanning
position sensor defective
6 Document pick-up roller worn
out
7 ADF motor defective
8 Sensor relay PCB defective
9 Main PCB defective
Cause
Remove foreign materials.
Set the document detection actuator into place.
Set the first side document scanning position
actuator into place.
Reconnect the first side document scanning
position sensor harness.
Replace the first side document scanning
position sensor PCB ASSY.
Replace the document separate roller ASSY.
Replace the ADF unit.
Replace sensor relay PCB.
Replace the main PCB ASSY.
2-50
LCD
Solution
Confidential