Confidential
2-37
â– Error Code 4900
Head voltage does not raise.
< User Check >
- They may occur due to lower surrounding temperature. Use in warmer surrounding
temperature.
â– Error Code 4E00
Head voltage remains ON and does not turn OFF even after 15 minutes have
passed.
â– Error Code 4F00
Head voltage drops too quick.
< User Check >
- They may occur due to lower surrounding temperature. Use in warmer surrounding
temperature.
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.
6 Main PCB defective Replace the main PCB.
Step Cause Solution
1 Carriage PCB defective Replace the carriage PCB ASSY.
2 Head defective Replace the head/carriage unit.
3 Main PCB defective Replace the main PCB.
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.
6 Main PCB defective Replace the main PCB.