ZPL commandsBarcodes

^BZPOSTNET bar code

✓Supported by zplkit

USPS postal bar code: POSTNET by default, or PLANET or Intelligent Mail through the t parameter. It encodes ZIP Code and tracking data on mail.

Format

^BZo,h,f,g,t

Parameter	Description	Default
`o`	OrientationN normal, R 90°, I 180°, B 270°	Current ^FW value
`h`	Bar code height, in dots	Value set by ^BY
`f`	Print interpretation lineY or N	N
`g`	Interpretation line above the codeY or N	N
`t`	Postal code type0 POSTNET, 1 PLANET, 3 USPS Intelligent Mail	0 (POSTNET)

Edit it to see what prints

^XA
^FO50,50^BZN,40,Y,N^FD12345^FS
^XZ

^BYBar code field default

Sets the default module width, wide to narrow ratio and height for the bar codes that follow. Put it before a bar code command to control its size.

^CMChange Memory Letter Designation

Reassigns the letters that refer to the printer's memory devices (B:, E:, R: and A:).