Brother MFC-J2320 - Page 84

Confidential
2-47
PF encoder sensor cannot detect rotation of the paper feed motor.
User Check
- Remove the jammed paper in jam clear cover part, platen part and front part.
Excessive current protection activated for the driver IC during paper feed motor
operation.
User Check
- Remove the jammed paper in jam clear cover part, platen part and front part.

Error Code 8A
Paper Jam
LCD
Step Cause Solution
1 Foreign materials in the
feeding path
Remove foreign materials.
2 Paper feed motor harness
connection failure
Reconnect the paper feed motor harness.
3 PF encoder sensor harness
connection defective
Reconnect the PF encoder sensor harness.
4 Sensor relay PCB harness
connection failure
Reconnect the sensor relay PCB harness.
5 Paper feed roller belt out of
place
Set the paper feed roller belt into place.
6 PF encoder sensor defective Replace the PF encoder sensor.
7 Sensor relay PCB defective Replace the sensor relay PCB ASSY.
8 PF encoder disk defective Replace the PF encoder disk.
9 Paper feed motor defective Replace the paper feed motor.
10 Main PCB defective Replace the main PCB ASSY.

Error Code 8C
Paper Jam
LCD
Step Cause Solution
1 Foreign materials in the
feeding path
Remove foreign materials.
2 PF encoder sensor defective Replace the PF encoder sensor.
3 Paper feed motor defective Replace the paper feed motor.
4 Main PCB defective Replace the main PCB ASSY.