Printek 4503 - Manual (Page 84)

IBM Proprinter Emulation
Page 4-24
ESC T Cancel Subscript and Superscript Mode
ESC U n Unidirectional Mode
ESC W n Double-Wide Mode
ESC X n1 n2 Set Left and Right Margin
ESC Y n1 n2 data High Speed 120 DPI Graphics
ESC Z n1 n2 data High Speed 240 DPI Graphics
ESC [ @ n1 n2 m1 m2 m3 m4 Double-High Mode
ESC \ n1 n2 Print Characters
ESC ^ n Print Single Character
ETX End of Text
FF Form Feed
HT Horizontal Tab
LF Line Feed
SI Select Condensed Mode
SO Select Double-Wide Mode (one line)
VT Vertical Tab