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tag stock A heavy paper or synthetic printing material, typically
featuring a notch or black mark for TOF and no adhesive
backing.
thermal transfer The printing method that creates an image by
transferring ink from a ribbon onto the media using the heat
from the thermal printhead.
TOF (top of form) The start of a new label as indicated by a
label gap, notch, mark or programming.
void An undesirable blank space in a printed image.