Patent ID: 6264320
Filing Date: 2001-07-24
Classification: B41J

Abstract:
An ink-jet printing apparatus for performing printing on a printing medium employing an ink and a printing quality improving liquid for making the ink insoluble or coagulated, said apparatus comprising:an ejection controller for controlling said apparatus to eject the printing quality improving liquid and the ink on a substantially same position or adjacent positions on the printing medium for mutually contacting with each other on the printing medium, at different timings, so that an amount of the printing quality improving liquid ejected to a unit area of the printing medium is less than an amount of the ink ejected to the unit area, a time interval between timing for ejection of said printing quality improving liquid and timing for ejection of said ink being set within 200 msec during which at least part of one of said printing quality improving liquid and ink which is ejected at an earlier timing remains on a surface of the printing medium.