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Glossary
dithering
A halftoning method in which dots are printed in a predetermined pattern to
simulate a shade or tone. Dithering works best for images with solid colors, such
as charts and graphs. See also
halftoning
.
dot matrix
A method of printing in which each letter or symbol is formed by a pattern
(matrix) of individual dots.
draft
The print mode used by your printer when you select Draft as the font. The Draft
font uses fewer dots per character for faster printing. See also
letter quality
.
driver
See
printer driver
.
ESC/P
Abbreviation for EPSON Standard Code for Printers, the system of commands
your computer uses to control your printer. It is standard for all EPSON printers
and supported by most application software for personal computers.
ESC/P2
The enhanced version of the ESC/P printer command language.
factory settings
The configuration settings for a computer or printer that are set at the factory. If
the device reverts to these settings when initialized, they are called default
settings, see also
default
.
fanfold paper
See
continuous paper.
font
A style of type designated by a name such as Roman or Sans Serif.
form feed (FF)
A control panel button and control code that advances the paper to the next top-
of-form position.
halftoning
A method of using dot patterns to represent an image. Halftoning makes it
possible to produce varying shades of gray using only black dots, or a nearly
infinite array of colors using only a few colors of dots. See also
dithering
.
hex dump
A troubleshooting feature that helps identify the cause of communication
problems between the printer and the computer. When the printer is in hex dump
mode, it prints each code that it receives in hexadecimal notation as well as in
ASCII codes that stand for characters. Also called
data dump
.