Star Micronics Dot Impact Printer - Manual (Page 43)

3-35 STAR Command Specifications
Rev. 0.70
[Ex.] When selecting 5 x 9 fonts, and defining the character to 21H:
ESC & NUL n1 n2 m d1 d2 d3 d4 d5
Code (Hexadecimal) 1B 26 00 21 21 00 38 45 45 45 7E
(1 when printing corresponding bits, and 0 for no print)
㩷
MSB
LSB
d1 d2 d3 d4 d5
5 Dots
8 Dots