8. Error Code List
GT-3 Series
364
Error
code
Message
Meaning
Solution
6134
Machine Error
Abnormal Print Head voltage
Confirm the FFC: Carriage Power and its
connectors that connect between the Carriage
PCB and Main PCB.
Remove all the Head FFCs that connect to
Carriage PCB and confirm that this error still exists.
If the error is still there, then replace the Main PCB.
If the error stops, then replace the Carriage PCB
and then connect the Print Head FFCs one and
another to confirm the damage.
Replace the Print Head with error.
6154 Machine
Error
Illegal circuit of detecting Print
Head Temperature
Replace the Main PCB.
Reboot the printer.
6160 Machine
Error
Malfunction of Environmental
Temperature Sensor
Confirm the FFC: Carriage Signal and its
connectors that connect between the Carriage
PCB and Main PCB.
Replace the Carriage PCB.
7000
Machine Error
System Call error
7013
Machine Error
General Program Error
Reboot the printer.
The issue is in firmware; contact Brother via your
dealer.
7014
Print Data not received with no
space in print data buffer
7015
PC Data Error
Print Data nor received because
printing is not complete
Send the print data when the printer is either
“standby” or “ready”.
7125 Machine
Error
Internal Program Error
(Moving error: too close to move)
Reboot the printer.
The issue is in firmware; contact Brother via your
dealer.