Brother TD-4420TN User Manual page 23

4. Feed the media through the rear label
feed slot.
Note
Make sure that the label print side is
facing up.
5. Open the Roll Compartment Cover. Slide
the Roll Guides outwards, and then align
the paper width with the Roll Guides.
Push down the lock switch to lock the
Roll Guide.
6. Install the label roll as described in
section 3.3.1.
7. Turn the Media Guide Hub, and match
the Media Guide width to the paper
width.
8. Use the Brother Printer Management
Tool to set the media sensor type and
calibrate the selected sensor.
Note
Calibrate the Gap/Black Mark Sensor every time you change the media.
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