COLOR PRINTING METHOD, COLOR PRINTING UNIT, PRINTING DATA OUTPUTTING UNIT, COLOR PRINTING SYSTEM, RECORDING MEDIUM HAVING COLOR PRINTING DATA STRUCTURE, AND COLOR PRINTING PROGRAM

摘要

PROBLEM TO BE SOLVED: To inexpensively print a double side printed matter including black and white pages and color pages with a small number of issues to be printed.;SOLUTION: Printing data are read for a double side printed matter having a black and white/color printing file with all the double side printing data stored regardless of whether the both sides are for a black and white page or a color page, and a color printing file with double side printing data for a color page at least on one side stored. In the case the printing subject pages are black and white pages on the both sides, a black and white printing operation is executed for the both sides on a white copy paper. A black and white printing operation is executed on a blue copy paper for double side printing data having at least one side as a color page. A color printing operation is executed on the both sides of a white copy paper for double side color pages. The blue copy paper is replaced by the white copy paper printed by a color printer.;COPYRIGHT: (C)2003,JPO