Brother Business Smart MFC-J4510dw, Service Manual

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Confidential 2-62
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Paper jam around the platen
User Check
- Check that recording paper is loaded correctly in the paper tray.
- Adjust the paper guide to match the recording paper size.
- Check that the paper shorter than the specified size is not loaded.
- Check thickness of recording paper is within tolerance of each type.
- Clean the related rollers.
Step Cause Solution
1 Foreign materials in the recording
paper path Remove foreign materials.
2 CR encoder strip stained Clean the CR encoder strip.
3 CR encoder strip defective Replace the CR encoder strip.
4 Platen foam drift Set the platen foam into place.
5 Bank ASSY out of place Set the bank ASSY into place.
6 Head/carriage unit head unlocked Set the head lock in lock position.
7 Switchback inner paper guide not
mounted in place Set the switchback inner paper guide into place.
8 Switchback outer paper guide not
mounted in place Set the switchback outer paper guide into place.
9 Switchback roller belt out of place Set the switchback roller belt into place.
10 Paper ejection roller belt out of
place Set the paper ejection roller belt into place.
11 CR guide rail not mounted in
place Set the CR guide rail into place.
12 Platen ASSY not mounted in
place Set the platen ASSY into place.
13 Platen spring not mounted in
place Set the platen spring into place.
14 Inner chute ASSY not mounted in
place Set the inner chute ASSY into place.
15 Inner chute ASSY broken Replace the inner chute ASSY.
16 DX paper guide ASSY not
mounted in place Set the DX paper guide ASSY into place.
17 Switchback roller belt broken Replace the switchback roller belt.
18 Paper ejection roller belt broken Replace the paper ejection roller belt.
19 Platen ASSY damaged, broken Replace the platen ASSY.
20 Registration sensor PCB defective Replace the registration sensor PCB ASSY.
21 Main PCB defective Replace the main PCB ASSY.