Brother MFC-J2320

Confidential
2-34
Carriage motor cannot stop.
Casing internal thermistor defective
Machine internal thermistor detects -20 degree-C or less and 80 degree-C or more
when power is on.

Error Code 3F
Unable to Print 3F
LCD
Step Cause Solution
1 Carriage motor harness
connection failure
Reconnect the carriage motor harness.
2 CR encoder strip stained Clean the CR encoder strip.
3 CR encoder strip defective Replace the CR encoder strip.
4 CR encoder sensor defective Replace the carriage PCB ASSY.
5 Carriage motor defective Replace the carriage motor ASSY.
6 Main PCB defective Replace the main PCB ASSY.

Error Code 40
Unable to Print 40
LCD
Step Cause Solution
1 Machine internal thermistor
defective
Replace the ink refill ASSY.
2 Main PCB defective Replace the main PCB ASSY.