Intermec EasyCoder 501XP Programmer's Reference Manual page 58

Chapter 5 — Feeding & Printing Instructions
The relation between media and printhead at the moment when the
actual printing starts decides all positioning along the Y-axis, that is along
the media path. Likewise, the relation between the media and the cutting
edge when the cutter is activated decides where the media will be cut off.
52 Intermec Direct Protocol v7.80 Programmer's Reference Manual