Operation Manual

Glossary 3
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.
line sequence
A type of color scanning that separates primary colors line by line. The carriage
makes only one pass.
moiré
A moiré is a cross-hatch pattern that appears on scanned images when scanning
printed material. It is a result of interference that occurs due to the difference
between the pitches of the scanning and the halftone screens.
monochrome
Black and white images, or images represented only by the intensity of
luminosity.
OCR
Optical Character Recognition.
The technology that allows computers to "read" text from physical objects. OCR
requires a graphical representation of text to interpret, which usually comes from
a scanned image.
page sequence
The type of color scanning in which the entire image is scanned once for each
separate color.
pixel
Short for picture element. Each image is composed of a number of pixels. Pixels
are also counted in units of dots.
plain bi-level
Bi-level image data without the halftoning process.
port
An interface channel through which data is transmitted between devices.
primary colors
Basic colors. See additive primary colors and subtractive primary colors.
resolution
Indication of how finely an image is resolved into pixels. Can be measured in
dots per inch (dpi), pixels per inch (ppi), or samples per inch (spi).