Toshiba B-EP Series Interface Specification page 486

Refer to Barcode Horizontal Size Command ([GS] w)
Barcode Height Command ([GS] h)
Numerals Under Bars Command ([GS] H)
Security Level Command ([GS] s)
No. of Columns (Strings) Command ([GS] c)
Error Correction Level Set Command (for QR code) ([GS] q)
QR Code Model Set Command ([GS] r)
Paper feed direction
A B C
* 8 7 6 5 4 3 2 1 *
4 9 4 0 0 4 5 8
Effective print width (width of head)
Width of receipt
7-17
CHAPTER 7 RECEIPT MODE (INTERFACE COMMANDS)
ABC [LF]
[GS] k3 *87654321* [NUL] [LF]
[GS] k04940045 [NUL] [LF]
B-EP Series