Oki C 9400 User Manual download pdf (Page 330)

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The range of colors that a device can produce is known as its color gamut. Devices are unable

to produce all colors that occur in nature so their color gamut is a subset of this.

Color Management System (CMS)

A system used to communicate color fidelity across devices such as input, display and output to

ensure that the best color rendition possible is given at all times.

Color Mapping

The translation of color representation from one device (or system) to another. For example,

from computer screen colors to printed colors.

Color Models

A color model is a system that allows colors to be arranged or identified. There are various

models in existence, with some more suitable to specific applications than others.

Color Separations

Each of the process colors are printed separately and must therefore be specified individually,

as the color is needed. Image data is therefore split into the primary colors (plus spot colors)

before printing.

Color Space

This is a method of describing color. Some systems are device-dependent such as RGB and

CMYK. The CIE system is a device independent color space. Note that all color models are not

color spaces in their own right.

Colorants

These are the colors used by a device to reproduce color. A printing press uses the CMYK

(cyan, magenta, yellow, black) colorants.

Density

In this context, density bears no relation to the mass and volume of the object. Rather, it is the

ability of the object to absorb light. The more light absorbed, the higher the object density.

Dithering

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Oki C 9400 User Manual Page 330

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