Brother DCP-J552DW Service Manual page 53

■ Error Code 17
Wrong Paper
Recording paper size error (duplex-printing/duplex-copying)
<User Check>
- Check if the recording paper used is according to specifications.
- Check if dark recording paper is not used.
Step
1 CR encoder strip stained
2 PF encoder disk stained
3 Registration actuator caught in the
surrounding parts
4 CR encoder strip defective
5 PF encoder disk defective
6 Registration sensor defective
7 Paper width sensor defective
8 Main PCB defective
■ Error Code 18
Paper Jam
Paper jam during duplex-printing
The registration sensor does not detect paper feed within specified pulse numbers in the second side
paper re-feed.
<User Check>
- Remove the jammed recording paper.
- Check if the recording paper used is according to specifications.
- Check if the recording paper is not curled, wrinkled or wet.
Step
Foreign materials in the duplex
1
print paper path
2 Registration actuator caught in the
surrounding parts
3 Registration sensor defective
4 Main PCB defective
Cause
Clean the CR encoder strip.
Clean the PF encoder disk.
Reattach the registration actuator.
Replace the CR encoder strip.
Replace the PF encoder disk.
Replace the registration sensor PCB ASSY.
Replace the carriage PCB ASSY.
Replace the main PCB ASSY.
Cause
Remove foreign materials.
Reattach the registration actuator.
Replace the registration sensor PCB ASSY.
Replace the main PCB ASSY.
2-20
LCD
Solution
LCD
Solution
Confidential