Brother P-touch QL-710W - The Tape Is Not Cut

IV - 12
[7] The tape is not cut.
Y
The tape is not cut.
Are the foreign objects
on the blades?
N
Replace the cutter unit ASSY.
Y
Does the cutter
motor rotate?
N
Replace the cutter unit ASSY.
Y
Is the motor harness
damaged?
N
Replace the cutter unit ASSY.
N
Is the connecter connected
to the main PCB correctly?
Y
Correct the connection.
Y
N
Replace the main PCB ASSY.
If replace the main PCB
ASSY, is it OK?
Replace the cutter unit ASSY.