Dascom T2250 User Guide IGP for Dot Matrix Printers - Manual (Page 67)

Chapter 2: Emulations
67
ESC [p1;p...;p10 } Bar code ratios greater than 85 are not supported
Enhancements
The following escape sequences have been added:
POSTNET bar codes ESC [ 50 ; … }
PLANET bar codes ESC [ 53 ; … }