Ink jet recording apparatus that individually controls ink ejection from plural recording heads during a non-recording operation

摘要

An ink jet recording apparatus, including a plurality of recording heads each having an ink outlet, a liquid passage communicating with the outlet and an ejection energy generating element for generating energy for ejecting ink through the outlet; a refresher for refreshing the ink in the passage by driving the ejection energy generating element to eject the ink when a recording operation of the apparatus is not performed; and a controller for changing a driving condition for the ejection energy generating element by the refresher for the recording heads.