Patent ID: 6302519
Filing Date: 2001-10-16
Classification: B41J

Abstract:
An ink-jet printing method for forming an image on a printing medium by ejecting ink. comprising:step of employing a liquid ejection head having a first liquid passage communicated with an ejection port, a second liquid passage having a bubble generating region for generating a bubble in a liquid by applying heat to the liquid, said first and second liquid passages communicating with a common ejection port, and a movable member disposed between said first liquid passage and said bubble generating region, having a free end on the ejection port side, and displacing said free end toward first liquid passage side in response to a pressure generated by a bubble within said bubble generating region for orienting said pressure toward the ejection port side of said first liquid passage;step of supplying a first ink, having a marking material, in said first liquid passage;step of supplying a second ink, different from the first ink and also having a marking material, in said second liquid passage;step of heating and bubbling the second ink supplied to said second liquid passage for ejection through said ejection port together with the first ink supplied to said first liquid passage; andstep of controlling a ratio of the first ink and the second ink to be ejected from said ejection port.