SATO CT410 - Manual (Page 184)

Postnet
Command Structure <ESC>BP (data)
data = 5 digits ZIP
= 6 digits for Postnet 37
= 9 digits for ZIP+4
= 11 digits for Dlelivery Point Bar Code
Character Set 1-9 (numeric only)
Notes 1. Frame bits and check digits added automatically by printer.
2. Bar code width and height are fixed and cannot be changed.
3. If the number of digits sent to the printer as data does not match
one of the formats specified above (i.e. 5, 6, 9 or 11), the
command is ignored and nothing will be printed.
4. If a “–” is included in the data stream (i.e. 84093-1565), it is ignored.
Example <ESC>H0100<ESC>V0120<ESC>BP94089
<ESC>H0100<ESC>V0160<ESC>BP123456
<ESC>H0100<ESC>V0200<ESC>BP123456789
<ESC>H0100<ESC>V0240<ESC>BP12345678901
Appendix B: Bar Code Specifications
SATO Ct Series Printers 900106 9A Page B-17