Patent ID: 6135656
Filing Date: 2000-10-24
Classification: B41J

Abstract:
An ink-jet printing apparatus for performing printing on a printing medium by using a printing head having a plurality of ejection openings for ejecting an ink and printing head having a plurality of ejection openings for ejecting the processing liquid so as to eject the ink and the processing liquid ejection data of which is thinned at a predetermined ratio with respect to ejection data of the ink, comprising:ink head control means for scanning the printing head for a plurality of times on the printing medium, and performing printing of a plurality of lines of an image by making to different ejection openings correspond to respective of said plurality of times of scanning; andprocessing liquid head control means for controlling the printing head ejecting the processing liquid to eject the processing liquid, said processing liquid head control means making said printing head eject said processing liquid in each of said plurality of times of scanning in the printing performed by said ink head control means so that said processing liquid the ejection data of which is thinned at the predetermined ratio is ejected to each of the plurality of lines.