Wrinkles On Documents; Document Size Not Correctly Detected - Brother MFC-J2320 Service Manual

4.7.4 Wrinkles on documents

User Check
- Check that the document guide is correctly set to the document size.
- Check that documents are not curled.
- Check that document is loaded all the way to the end correctly in the document tray.
- Check that the number of documents loaded in the document tray is within specified
volume.
Step
Document separation roller
1
worn out
Each paper feed roller worn
2
out

4.7.5 Document size not correctly detected

User Check
- Check that documents are within specified size.
Step
1 First side document scanning
position actuator caught on the
surrounding parts
2 First side document scanning
position sensor harness
connection failure
3 First side document scanning
position sensor defective
4 Main PCB defective
Cause
Replace the document separate roller ASSY.
Replace the ADF unit.
Cause
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.
Replace the main PCB ASSY.
2-84
Solution
Solution
Confidential