Compuprint MDP40B Programmer Manual - Manual (Page 214)

C-72
ESC y ... data ... ESC Z
Enable bar code printing. (Olivetti PR2)
ASCII Code ESC y data ESC Z
Hexadecimal Value 1B 79 data 1B 5A
Decimal Value 27 121 data 27 90
It performs Bar Code printing of the alphanumeric data, and brings the print head
back to the left margin.
The command is not accepted (command specification error) if the number and type of
characters is not compatible with the standard of the selected Bar Code.