■ Error code F8
Print Unable F8
Unplug machine, then call Brother.
Battery connection error
Step
1
Battery harness connection failure Reconnect the battery harness.
2
Main PCB failure
3
Battery failure
■ Error code F9
Machine Error F9
EEPROM customizing code error
Step
Turn the power off, when the
Maintenance mode 74
1
"PARAMETER INIT" is in
progress.
2
Main PCB failure
■ Error code FF
Unusable Device
Remove the Device. Turn the power off and back on again.
Excess current to USB HOST PCB ASSY error
Step
1
USB HOST PCB failure
2
Main PCB failure
Cause
Cause
Cause
3-40
Remedy
Replace the main PCB ASSY.
Replace the battery.
Remedy
Implement the Maintenance mode 74
again.
Replace the main PCB ASSY.
Remedy
Replace the USB HOST PCB ASSY.
Replace the main PCB ASSY.
Confidential