Wrinkles On Documents; Document Size Not Correctly Detected - Brother HL-J6000DW 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
1 Document separation roller
worn out
2 Each paper feed roller worn
out

4.7.5 Document size not correctly detected

< User Check >
- Check that documents are within specified size.
Step
1 Document scanning position
actuator caught on the
surrounding parts
2 Document scanning position
sensor defective
3* ADF document size sensor
defective
4* FB document size sensor
defective
5 Main PCB defective
* D
ocument size sensor model only
Cause
Replace the document separation roller ASSY.
Replace the ADF unit.
Cause
Set the document scanning position actuator
into place.
Replace the document scanning position
sensor PCB ASSY.
Replace the ADF document support.
Replace the document scanner unit.
Replace the main PCB.
2-83
Solution
Solution
Confidential