Lexmark FORMS 249X Technical Reference page 178

Valid Code 128 command using multiple character sets:
<x
1B5B66
0600
BA
00
00
0404
00
1B5B70
1300
41
323334
64
212324
1C
333233333334
3B
3C3D3E
>...
178
Section 8: Barcodes
- barcode setup command prefix
- setup data length (low byte first) -
x0006, 6
- barcode type = Code 128
- module width = default
- space width adjustment = default
- height (low byte first) - x0404 = 0.476
inches
- control byte: check digit from host,
print human readable character
- barcode data transfer command prefix
- data transfer length (low byte first) -
x0013, 19
- start with character set A
- characters from character set A - "234"
- shift to character set B
- characters from character set B - "!#$"
- shift to character set C
- characters from character set C -
"323334"
- shift to character set A
- characters from character set A - "<=>"