Patent ID: 6963423
Filing Date: 2005-11-08
Classification: B41J,G06K

Abstract:
1. An image printing method for executing an operation that cuases a printing head having a plurality of printing elements to scan a plurality of times on a same line on a printing medium so that different printing elements are used in the plurality of scans to form dots on the same line, and an operation that cuases the printing medium to be fed between the scans of the printing head, to print an image on the printing medium, said method comprising: a first distributing step for of first and second areas defined on the printing medium in relation to feeding said printing medium, distributing data for the dots to be formed on the same line of the first area by using mask patterns, among the plurality of scans; and a second distributing step for distributing data for the dots to be formed on the same line of hte second area, in which a deviation of dot forming location become larger than that in the first area, by using mask patterns, among the plurality of scans, wherein the number of scans to the same line of the first erea is the same as the number of scans to the same line of the second area, and wherein data distribution of the mask patterns for the plurality of scans which are used for the first distributing step, are different from the data distribvtion ratios of the mask patterns for the plurality of scans, which are used fo rthe second step.