Lexmark FORMS 249X Technical Reference page 169

Examples:
Valid POSTNET command:
<x
1B5B66
0600
B9
00
00
0000
00
1B5B70
0C00
>405111876403 ...
- barcode setup command prefix
- setup data length (low byte first) -
x0006, 6
- barcode type = POSTNET
- module width = default
- space width adjustment = default
- height (low byte first) - 0
- control byte: no functions selected
- barcode data transfer command prefix
- data transfer length (low byte first)
- x000C, 12
Section 8: Barcodes
169