Document Jam - Brother MFC Series Service Manual

4.7.3

Document jam

■ Document jam near the ADF slot
<User Check>
- Check if the document is loaded correctly all the way inside the ADF document support.
- Adjust the document guide to match the document size.
- Check if the document loaded is smaller than the specified size.
- Check if the document loaded is not thicker than the specified thickness.
- Check if there is no curling or bending in the document.
- Check if the amount of document inside the ADF document support is not fewer than the
specified amount.
Step
1 Foreign materials near the
ADF slot
2 Upper document chute not
properly attached
3 ADF separation pad holder
ASSY not properly attached
4 Document detection actuator
out of place
5 Document detection sensor
defective
6 ADF separation pad holder
ASSY defective
7 ADF drive unit defective
8 Main PCB defective
Cause
Remove foreign materials.
Reattach the Upper document chute.
Reattach the ADF separation pad holder ASSY.
Set the Document detection actuator into place.
Replace the Document detection sensor PCB
ASSY.
Replace the ADF separation pad holder ASSY.
Replace the ADF drive unit.
Replace the Main PCB ASSY.
2-67
Solution
Confidential