Patent ID: 6447084
Filing Date: 2002-09-10
Classification: B41J

Abstract:
An ink-jet printing apparatus for printing an image on a printing medium using an ink jet printing head that is capable of ejecting ink supplied from an ink tank, comprising:ink-supplying means that is capable of supplying ink to the ink tank, the ink-supplying means comprising: a negative-pressure introducing portion that introduces negative pressure into the ink tank; and an ink-introducing portion that introduces ink into the ink tank by the negative pressure in the ink tank, wherein the negative-pressure introducing portion and the ink-introducing portion are detachably connected to the ink tank by a joint member respectively; detecting means for detecting the time of ink-supply as the ink tank requires the supply of ink; and control means that makes a change to a mode of supplying ink to the ink tank by the ink-supplying means in accordance with the status of actuating the ink-jet printing apparatus at the time of ink-supply which is determined by the detecting means.