Brother DCP-J100

2-30
Confidential
■ Error Code 42
Head voltage does not turn OFF.
<User Check>
- This may occur when the surrounding temperature is low. Increase the surrounding
temperature before use.
■ Error Code 43
Head thermistor problem
When the power was turned on, the head thermistor detected a temperature of -20
degrees centigrade or lower, or 80 degrees centigrade or higher.
Unable to print 42
LCD
Step Cause Solution
1 Head flat cable connection
failure
Reconnect the Head flat cable.
2 Carriage flat cable connection
failure
Reconnect the Carriage flat cable.
3 Carriage PCB defective Replace the Carriage PCB ASSY.
4 Head defective Replace the Head/carriage unit.
5 Power supply PCB defective Replace the Power supply PCB ASSY.
6 Main PCB defective Replace the Main PCB ASSY.
Unable to print 43
LCD
Step Cause Solution
1 Carriage flat cable connection
failure
Reconnect the Carriage flat cable.
2 Carriage PCB defective Replace the Carriage PCB ASSY.
3 Head defective Replace the Head/carriage unit.
4 Main PCB defective Replace the Main PCB ASSY.