Canon Color imageCLASS 8180c imageCLASS MF8180c Software Guide - Page 243

Appendix About Color Printing This section describes the fundamentals of colors and the method for color printing from this printer. The Three Primary Colors of Light and Color The colors that you see in the computer display are expressed from the three primary colors of light which are red, green, and blue. White will result if all the three primary colors are mixed (additive process). White Red Green Blue 6 Most color printers express color not with the three primary colors of light but with their three inverted complimentary colors, the same as those used in mixing plants, but with the addition of black as a separate color. The three primary printing colors are cyan (C), magenta (M), yellow (Y), plus black (K)(subtractive process). Black C M Y The three primary colors of light and color are in a complementary color relationship. The red in light and cyan in color, green in light and magenta in color, and blue in light and yellow in color complement one another. Red Green Complementary color Blue M C Y About Color Printing 6-3