REGISTRATION SLUR DETERMINATION METHOD, REGISTRATION MARK FOR COLOR PRINTING, COLOR REGISTRATION-CORRECTING CHART AND COLOR IMAGE FORMING DEVICE

摘要

PROBLEM TO BE SOLVED: To enable an easy visual determination of color slur in color printing.

SOLUTION: By printing registration marks for color printing 110, 120 and 130 having reference color marks 111, 121 and 131 and measuring color marks 112, 122 and 132 consisting of similar figures, the centers of each of which coincide with each other, on a paper, the relative positional slurs between the reference color marks and the measuring color marks printed on the paper are determined as registration slurs.

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