dithering
A halftoning method in which dots are arranged in an orderly pattern . Dithering
works best for printing 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 (m atrix)
of individual dots.
dpi
Dots per inch. The dpi measures the resolution. See also resolution.
driver
A software program that sends instructions to a computer peripheral to tell it what
to do. For example, your printer driver accepts print data from your word
processing application and sends instructions to the printer on how to print this
data.
EPSON PhotoEnhance or PhotoEnhance 2
An advanced image enhancement feature developed by EPSON. Selecting
PhotoEnhance in your printer driver produces sharper images and more vivid
colors by automatically adjusting the contrast, saturation, and brightness of the
original image data.
Error Diffusion
Error diffusion blends individual colored dots with the colors of the surrounding
dots to create the appearance of natural colors. By blending colored dots, the pr in ter
can achieve excellent colors and subtle color gradation.
ESC/P
Abbreviation for Epson Standard Code for Printers. This system of commands gives
you control of your printer from your computer. It is standard for all EPSON
printers and supported by most application programs for personal computers.
ESC/P Raster
A command language that gives you control of your printer from your computer.
Commands in this language produce laser -like features, such as enhanced graphi cs
printing.
Finest Detail
This printer driver setting automatica lly makes your printed images sharper and
clearer. Be aware that this may increase the time required for printing.
font
A style of type designated by a family name.
grayscale
A scale of shades of gray from black to white. Grayscale is used to represent colors
when printing with black ink only.
halftones
Patterns of black or colored dots used to reproduce an image.
LKeywest Ref. Guide
Rev.c
A5 size Glossary
10-09-97 DR, pass 0
2 Glossary