Patent ID: 7393078
Filing Date: 2008-07-01
Classification: B41J

Abstract:
1. An ink jet printing apparatus for printing an image by performing a print scan which makes a print while causing a printing head, which includes an array of printing elements for ejecting ink, to scan on a printing medium in a direction different from a direction of the array, and by conveying the printing medium in a direction intersecting with the direction of the print scan, the apparatus comprising: controller which reduces a range in the array of the printing elements to be used for printing on at least one of front and rear end portions of the printing medium so that the range can be smaller than a range in the array of the printing elements to be used for printing on a central portion of the printing medium, and thus, which performs the print scan, wherein the controller changes the size of the reducing range depending on at least one of a print mode selected from a plurality of print modes, each having the different number of colors of ink usable for printing the image, and a type of selected printing medium.