Brother TJ-4420TN User Manual page 39

8. Close the Print Head on both sides and
make sure it locks into place.
9. Set the media sensor type and calibrate
the selected sensor.
10. Perform the calibration using the BPM.
For more information about sensor
calibration, see section
8.2 Auto-Calibrating the Media Sensor
using the BPM.
11. Close the Print Head and press the right
Selection button to feed one label to test.
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