Brother MFC-J6520DW - Head Flat Cable Detected to be Not Correctly Inserted; Head Voltage Does Not Raise

Confidential
2-35

Error Code 48
Head flat cable detected to be not correctly inserted.
 Error Code 49
Head voltage does not raise.
User Check
- They may occur due to lower surrounding temperature. Use in warmer surrounding
temperature.
Unable to Print 48 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 Main PCB defective Replace the main PCB ASSY.
Unable to Print 49 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.