Brother DCP-J752DW

2-42
Confidential
■ Error Code 84
Recording paper jam.
The registration sensor stays in paper-feeding state even after completing paper ejection.
<User Check>
- Remove the jammed recording paper in platen part.
■ Error Code 89
The paper width sensor could not detect the home position specified on the paper feed roller.
Disc Jam / Paper Jam
LCD
Step Cause Solution
1 Foreign materials in the recording
paper feeding path
Remove foreign materials.
2 Registration actuator caught in the
surrounding parts
Reattach the registration actuator.
3 Registration sensor defective Replace the registration sensor PCB ASSY.
4 Paper feed roller defective
Paper ejection roller defective
Switchback roller defective
Replace the engine unit.
5 Main PCB defective Replace the main PCB ASSY.
Unable to print 89
LCD
Step Cause Solution
1 PF encoder disk stained Clean the PF encoder disk and flushing guide. (Refer
to Chapter 3, Section 1)
2 Home position detection lever
stained
Clean the Home position detection lever and
flushing guide. (Refer to Chapter 3, Section 1)
3 PF encoder disk defective Replace the PF encoder disk.
4 PF home position detection lever
out of place
Set the PF home position detection lever into place.
5 Paper width sensor defective Replace the carriage PCB ASSY.
6 Main PCB defective Replace the main PCB ASSY.
(2_001)
PF home position detection lever