Brother P-touch QL-710W - The Tape Is Not Detected Correctly

IV - 8
[2] The tape is not detected correctly.
Y
Y
Y
N
N
Y
N
N
Do not recognize a tape type correctly.
Replace the media PCB ASSY.
Load a tape correctly.
Install the sensor correctly.
The sensor is defective.
Replace the media PCB ASSY.
Is the output signal of the
media PCB correct?
Is a tape loaded correctly?
Is the media type
detect sensor installed
correctly?
Is the sensor harness
damaged?
Replace the main PCB ASSY.