ZPL commandsLabels and formats

^MUSet Units of Measurement

✓Supported by zplkit· Converting between resolutions (b and c) isn't applied

Sets the units for positions and sizes: dots, inches or millimeters. It can also convert a format designed for one resolution to another.

Format

^MUa,b,c

Parameter	Description	Default
`a`	UnitsD dots, I inches, M millimeters	D
`b`	Format base resolution, in dpi
`c`	Desired resolution, in dpi

Edit it to see what prints

^XA
^MUM
^FO5,5^GB40,15,0.5^FS
^FO8,9^A0N,4,4^FDMillimeters^FS
^XZ

^LTLabel Top

Moves the whole label image up or down relative to the label's top edge. Corrects vertical alignment without changing field positions.

^PMPrinting Mirror Image of Label

Prints the whole label as a mirror image, flipped left to right.