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Glossary
R4C345
Rev. C
A5 size GLOSS.FM
10/7/99 Pass 0
L
Proof Sign-off:
<tantoname> SEI K.Ito M.Fujimori
<leadername> M.Fujimori
<editorname> SEI G.Hildebrand
dithering
A process in which software or an output device simulates continuous tones with
groups of dots.
document
The item, such as a sheet of paper or a book, that is placed on the document table
for the scanner to read.
dpi
Short for dots per inch. A unit of measurement for resolution. The higher the
value, the higher the resolution.
dropout color
A color the scanner does not recognize and ignores. You can select and deselect
dropout colors in the scanner software.
ESC/I
Abbreviation for EPSON Standard Code for Image scanners. A system of
commands that allows you to control image scanners from your software.
ESC/P
Abbreviation for EPSON Standard Code for Printers. A system of commands that
allows you to control printers from your software.
grayscale
Images represented with various shades of gray in addition to black and white.
halftoning
A method of reproducing images with patterns of dots to improve the quality of
the output.
home position
The position at the rear (nearest the cover hinge position) of the scanner where
the carriage rests before a scanning operation.
imagesetter
A device that uses computer files to produce high-resolution text and graphics
output on film or paper. These are usually found in service bureaus and printing
companies.
impact dot printer
A printer that transfers ink onto the paper by striking an ink ribbon with a number
of small pins.
ink jet printer
A printer that transfers ink onto the paper by spraying the ink through a number
of small nozzles.
interface
A piece of hardware, a method, or a standard used for connection between or
among computer devices.