COLOR IMAGE FORMING METHOD, ITS PRINTED MATTER AND ITS DEVICE

摘要

PROBLEM TO BE SOLVED: To enlarge a color demonstrating area of a multicolor printed matter including specified colors and enhance sharpness by forming a partial image of three color or less in spite of the number of total printing colors is four colors or more in an image formed by synthesizing a plurality of images color separated by the color conversion in a color management system. SOLUTION: A CMS(color management system) functional group formed of at least three CMSs formed of an image input system CMS an image display system CMS and an image output system CMS or formed of more, and at least three or more color conversion tables (a), (b) and (c) are used for the formation of color images. The color images thus formed are synthesized by cutting partial images in compliance with the optional number of printing colors to form a color plate image suitable for the optional number of printing colors, and CMSs used exclusively for a multicolor printed matters containing special colors are formed and a plurality of color separated images are synthesized to enlarge a color demonstrating area, and the number of printing colors of the partial images are three colors or less although the number of total printing colors is four colors or more. The color demonstrating area, therefore, can be enlarged to enhance the sharpness thereof by the arrangement.