Brother MFC-J6520DW - Wrinkles on Documents; Document Size Not Correctly Detected

Confidential
2-77
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.
4.7.5 Document size not correctly detected
User Check
- Check that documents are within specified size.
Step Cause Solution
1 Document separation roller
worn out
Replace the document separation roller ASSY.
2 Each paper feed roller worn
out
Replace the ADF unit.
Step Cause Solution
1 Document scanning position
actuator caught on the
surrounding parts
Set the document scanning position actuator
into place.
2 Document width actuator
caught on the surrounding
parts
Set the document width actuator into place.
3 Document scanning position
sensor harness connection
failure
Reconnect the document scanning position
sensor harness.
4 Document width sensor
harness connection failure
Reconnect the document width sensor harness.
5 Document scanning position
sensor defective
Replace the document scanning position
sensor PCB ASSY.
6 Document width sensor
defective
Replace the document width sensor.
7 Main PCB defective Replace the main PCB ASSY.