Brother DCP-L8400DN Service Manual

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Confidential
4.11.3 Paper jam
■ Paper jam in the ADF cover
< User Check >
- Check whether the document is thinner or thicker than the specifications.
- Check whether the document is smaller or larger than the specifications.
- Check whether the ADF cover is properly closed.
- Check whether the number of loaded documents exceed the specified number.
Step Cause Remedy
1 Foreign object inside the area
around ADF cover
Remove the foreign object.
2 Coming off of second side
document scanning position
actuator
Re-assemble the second side document
scanning position actuator.
3 Connection failure of the
second side document
scanning position sensor PCB
harness
Reconnect the second side document
scanning position sensor PCB harness.
4 Coming off of document pinch
roller
Re-assemble the document pinch roller.
5 Second side CIS glass
installation failure
Re-assemble the second side CIS glass.
6 Second side document hold
installation failure
Re-assemble the second side document
hold.
7 Document feed roller
worn out Replace the document feed roller ASSY2.
8 Second side document
scanning position sensor
failure
Replace the second side document scanning
position sensor PCB ASSY.
9 ADF drive gear damaged Replace the ADF unit.
10 Main PCB failure Replace the main PCB ASSY.

Brother DCP-L8400DN Specifications

General

Brand	Brother
Model	DCP-L8400DN
Category	All in One Printer
Language	English