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6. Appendix

Color Guide

Color Printing Basics

Additive (Emitted) and Subtractive (Reflected) Color Models

All light is a mixture of red, green, and blue, which is normally called the RGB

model. When red, green, and blue are of equal intensities, the RGB color model

produces white.

Note

❒ RGB is also called additive or emitted color. The colors on your computer

screen are produced by varying the intensities of RGB.

Printed color is a mixture of cyan, magenta, and yellow, which is normally called

the CMY color model. When mixed in equal proportions the CMY color model

produces black.

Note

❒ CMY is also called subtractive or reflective color. The printer uses CMY toner

plus K (black) toner (CMYK color model) to provide full color printing.

red

blue

green

yellow

magenta

cyan

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Ricoh SCRIPT2 Spezifikationen Seite 124