Patent ID: 6454390
Filing Date: 2002-09-24
Classification: B41J

Abstract:
A printing registration method for performing a processing for performing a printing registration in a first printing and a second printing with respect to a printing apparatus for performing printing an image by said first printing and said 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 a plurality of patterns respectively having optical characteristics corresponding to a plurality of shifting amounts, the plurality of patterns being patterns formed by said first printing and second printing by using said print head, and said plurality of patterns being formed respectively corresponding to the plurality of shifting amounts of relative printing positions of said first printing and said second printing; measuring the optical characteristics for each of the plurality of patterns formed by said pattern forming step; acquiring adjustment value of dot forming position conditions between said first printing and said second printing on the basis of the optical characteristics of respective of the plurality of patterns measured by said measuring step; and acquiring the adjustment value used for performing printing by executing plural times said pattern forming step, said measuring step and said adjustment value acquiring step for every different dot position registration accuracy.