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