Patent ID: 6532026
Filing Date: 2003-03-11
Classification: B41J

Abstract:
A method of printing registration for processing for performing printing registration in a first printing and a second printing with respect to a printing apparatus for performing printing of an image by the first printing and the second printing with predetermined conditions of a dot forming position on a printing medium by using a printing head, said method comprising the steps of:forming first patterns and second patterns, respectively, corresponding to a plurality of shifting amounts, the patterns being formed by the first printing and the second printing, and a direction of shifting of relative printing positions in the first printing and the second printing being different; measuring optical characteristics of each of the plurality of first patterns formed and optical characteristics of each of the plurality of second patterns formed; and acquiring adjustment value of conditions of a dot forming position between the first printing and the second printing based on an intersection point of a change characteristic of the measured optical characteristics of the plurality of first patterns and a change characteristic of the measured optical characteristics of the plurality of second patterns.