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Glossary

color calibration

A method of adjusting the color image data for a particular type of device so that the reproduction results are as close as possible to the original colors.

default

A value or setting that takes effect when the printer is turned on, reset, or initialized.

document

The item, such as a sheet of paper or a book, that is placed on the document table for the scanner to read.

dots per inch (dpi)

The number of dots per inch is a measure of scanner and printer resolution. The higher the number of dots, the higher the resolution. See also resolution.

dpi

See dots per inch (dpi).

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.

laser printer

A printer that uses a laser and the electrophotographic method to print a full page at a time. The laser is used to "paint" a charged drum with light, to which toner is applied and then transferred onto paper.

memory

The part of the printer's electronic system that is used to store information. Some information is fixed and is used to control how the printer operates. See also ROM.

monochrome

Black and white images, or images represented only by the intensity of luminosity.

photoconductor unit

A component of the printer that contains a photosensitive print drum.

pixel

Short for picture element. Each image is composed of a number of pixels. Pixels are also counted in units of dots. Monitor resolution is generally measured in pixels.

resolution

A measure of the fineness and clarity of images captured by the scanner and reproduced by the printer or monitor. See also dots per inch (dpi) and pixel.

ROM

Read Only Memory (ROM) is where permanent information is stored.

scan

A scanner operation performed by the sensor and the carriage. The image is divided into pixels during scanning. See also pixel.

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