Paper Jam During Duplex-Printing; Registration Sensor Does Not Detect Paper Feed Within Specified Pulse - Brother MFC-J2320 Service Manual

Error Code 18

Paper Jam

Paper jam during duplex-printing

Registration sensor does not detect paper feed within specified pulse numbers in the
second side paper re-feed
(recording paper was pulled out, or very likely to have been pulled out.)
User Check
- Remove the jammed paper.
- Check whether the recording paper being used is within the specification.
- Check that recording paper are not curled, wrinkled or wet.
Step
Foreign materials in the duplex
1
print paper path
Registration actuator caught
2
on the surrounding parts
3 Registration sensor defective
4 Inner chute ASSY defective
5 Drive frame ASSY defective
6 Main PCB defective
Cause
Remove foreign materials.
Set the registration actuator into place.
Replace the registration sensor PCB ASSY.
Replace the inner chute ASSY.
Replace the maintenance unit ASSY.
Replace the main PCB ASSY.
2-23
LCD
Solution
Confidential