Patent ID: 6120141
Filing Date: 2000-09-19
Classification: B41J

Abstract:
An ink jet printing method of printing an image of ink dots on a printing medium, said method comprising the steps of:providing ink and printability improvement liquid containing a substance for improving printability of said ink;ejecting said ink to a first position on the printing medium; andejecting said printability improvement liquid to a second position on the printing medium different from the first position, with the ejected printability improvement liquid and the ejected ink coming into contact with one another, wherein the ejected printability improvement liquid partially overlaps the ejected ink on said printing medium, when the ejected printability improvement liquid and the ejected ink come into contact with each other, each ink dot consists of a portion where the printability improvement liquid and the ink are overlapped and a portion where only the ink is provided when the ejected printability improvement liquid and the ejected ink come into contact with each other on the printing medium, and a part of the plural ink dots that are provided so as to be adjacent to each other are overlapped by a single dot of the printability improvement liquid at the time that the ink and the printability improvement liquid come in contact with each other.