Epson 1170 - Manual (Page 151)

ESC/P 2
The enhanced version of the ESC/P printer command language. -
Commands in this language give laser-like features: scalable fonts
and enhanced graphics printing.
font
A font is a style of type designated by a family name.
form feed
A control code and a panel button that advance the paper to the
next top of form position.
high-speed draft
One of the three print qualities available on your printer.
High-speed draft uses a minimum number of dots per character to
produce extremely high-speed printing. See also draft and Letter
Quality.
initialize
To establish the initial default status of the printer by turning on
the printer or sending an INIT signal.
interface
The connection between the computer and the printer. A parallel
interface transmits data one character or code at a time, and a
serial interface transmits data one bit at a time.
italics
A typestyle in which the characters slant. This sentence is
italicized. Also, a character table that contains italicized characters
and symbols.
Letter Quality (LQ)
One of three print qualities available on your printer. Letter
Quality provides better readability and appearance at a reduced
print speed. See also draft and high-speed draft.
GL-4 Glossary