Document Jam - Brother MFC-J3520 Service Manual

4.7.3 Document jam

Document jam around ADF cover

User Check
- Check that document is loaded correctly in the document tray.
- Adjust the document guide to match the document size.
- Check that the document shorter than the specified size is not loaded.
- Check that thickness of the document is 64 to 90 g/m
- Check that the document is not curled or folded.
- Check that the number of documents loaded in the document tray is within specified
volume.
- Close the ADF cover securely.
Step
1 Foreign materials in adjacent
area of ADF cover
2 ADF cover ASSY not mounted
in place
3 Upper document chute not
mounted in place
4 ADF separation pad holder
ASSY not mounted in place
5 Separation pad spring not
mounted in place
6 Document scanning position
actuator not mounted in place
7 ADF cover ASSY damaged,
broken
8 ADF separation pad defective
9 Document scanning position
sensor defective
10 Upper document chute
damaged, broken
11 Main PCB defective
Cause
Remove foreign materials.
Set the ADF cover ASSY into place.
Set the upper document chute into place.
Set the ADF separation pad holder ASSY into
place.
Set the separation pad spring into place.
Set the document scanning position actuator
into place.
Replace the ADF cover ASSY.
Replace the ADF separation pad.
Replace the document scanning position
sensor PCB ASSY.
Replace the ADF unit.
Replace the main PCB ASSY.
2-75
2
.
Solution
Confidential