Disc Tray Jam - Brother DCP-J552DW Service Manual

■ Paper jam during duplex printing
<User Check>
- Adjust the paper guide to match the recording paper size.
- Check if the recording paper loaded is smaller than the specified size.
- Check if the recording paper's thickness is within specifications.
- Check if there is no curling or bending in the recording paper.
- Clean the related rollers.
Step
1 Foreign materials in the recording
paper feeding path
2 Paper feeding path parts out of
place
3 Switchback roller defective
4 Main PCB defective
4.2.7

Disc tray jam

<User Check>
- Remove foreign materials around the jam clear cover.
- Check if the jam clear cover is properly closed.
- Check if the disc for printing is loaded correctly.
Step
1 Foreign materials in the recording
paper feeding path
2 CR encoder strip stained
3 CR encoder strip out of place
4 Jam clear cover not properly
attached
5 Paper feeding path parts out of
place
6 Disc tray defective
7 Jam clear cover defective
8 CR encoder strip defective
9 Switchback roller defective
Paper ejection roller defective
Paper feed roller defective
10 Main PCB defective
Cause
Remove foreign materials.
Reattach the paper feeding path parts.
Replace the engine unit.
Replace the main PCB ASSY.
Cause
Remove foreign materials.
Clean the CR encoder strip.
Reattach the CR encoder strip.
Reattach the jam clear cover.
Reattach the paper feeding path parts.
Replace the disc tray.
Replace the jam clear cover.
Replace the CR encoder strip.
Replace the engine unit.
Replace the main PCB ASSY.
2-57
Solution
Solution
Confidential