F0 to Fxxx (where xxx is the label length in millimeters or 999, whichever is less) — The printer feeds the label forward for the specified distance and then begins programming.
B0 to B30 — The printer back-feeds the label for the specified distance and then begins programming. To account for the back-feed, allow the empty media liner to extend out of the front of the printer when using a backward programming position.
