Printek FormsPro 4300 - Manual (Page 83)

Control Code and Escape Sequence Summaries
Page F-3
Epson FX Emulation (continued)
ESC l n Set Left Margin
ESC t n Character Table (Italic vs. Extended)
ESC w n Double-High Mode
ESC x n Select Draft or Letter Quality
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
XOFF Deselect Printer