Brother MFC Series Service Manual page 100

■ Document jam inside the ADF
<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.
Step
1 Foreign materials inside ADF
2 ADF harness jam between the
ADF unit and the Document
scanner unit
3 Document pressure bar not
properly attached
4 Upper document chute not
properly attached
5 Document scanning position
actuator out of place
6 Document feed roller 1 and 2
not properly attached
7 Document scanning position
sensor defective
8 Scratched or damaged ADF
internal parts
9 Main PCB defective
■ Document jam near the ADF ejection part
<User Check>
- Close the ADF cover securely.
Step
1 Foreign materials in the ADF
ejection part
2 ADF cover ASSY not properly
attached
3 Eject film out of place, jammed
4 Upper document chute not
properly attached
5 Document feed roller 2 not
properly attached
6 Scratched, damaged, or worn
ADF cover ASSY
7 Scratched, damaged, or worn
ADF ejection parts
8 Main PCB defective
Cause
Remove foreign materials.
Reroute the ADF harness.
Reattach the Document pressure bar.
Reattach the Upper document chute.
Set the Document scanning position actuator
into place.
Reattach Document feed roller 1 and 2.
Replace the Document scanning position
sensor PCB.
Replace the ADF unit.
Replace the Main PCB ASSY.
Cause
Remove foreign materials.
Reattach the ADF cover ASSY.
Reattach the eject film.
Reattach the Upper document chute.
Reattach Document feed roller 2.s
Replace the ADF cover ASSY.
Replace the ADF unit.
Replace the Main PCB ASSY.
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Solution
Solution
Confidential