Patent ID: 9028049
Filing Date: 2015-05-12
Classification: B41J

Abstract:
1. An inkjet printing apparatus that prints an image on a print medium, comprising: an inkjet print head provided with a printing element substrate including a plurality of chips for the same color made up of a plurality of printing element arrays, which contain printing elements for ejecting ink arranged in a predetermined arranging direction on a base plate for supporting the plurality of chips, wherein the plurality of chips are disposed in the predetermined arranging direction and providing joining portions where positions, in the arranging direction, of an respective end portions of adjacent chips overlap each other; said base plate providing an ink channel to supply ink to each of the plurality of chips on the base plate successively, the ink channel having a plurality of turns of which positions correspond to respective end portions of the plurality of chips; and a distributing unit configured to distribute print data to each of the plurality of printing elements at the joining portions such that, among the plurality of printing element arrays on the chips, fewer printing elements execute ejection operations on a first printing element array than on a second printing element array which is positioned far from a corner of the turn in a direction intersecting with the predetermined arranging direction with respect to the first printing element array.