Patent ID: 6550882
Filing Date: 2003-04-22
Classification: B41J

Abstract:
An ink jet printing apparatus comprising:a plurality of ink heads for ejecting inks; a processing liquid head for ejecting a processing liquid, the processing liquid being adapted to render a colorant of the inks ejected from the ink heads insoluble; and wherein the ink heads and the processing liquid head eject the inks and processing liquid respectively onto the print medium to perform printing, the ink jet printing apparatus further comprising: relative moving means for moving the plurality of ink heads and the processing liquid head relative to a print medium; and wherein the relative moving means holds and arranges the plurality of ink heads and the processing liquid head in a direction in which they move relative to the print medium and, in this arrangement, places the processing liquid head between the ink heads in such a way that a distance between the processing liquid head and the print medium is larger than any of distances between the plurality of ink heads and the print medium.