Ink jet recording apparatus and method for recovering recording head.

摘要

An ink jet recording apparatus which records by discharging ink onto a recording medium comprises recording means for recording on the recording medium by discharging ink through discharge ports; an ink tank for storing the ink; a first ink flow channel for passing the ink from said ink tank to said recording means; a second ink flow channel for passing the ink from said recording means into said ink tank; a filter provided on said ink flow channel; and back flow prevention means provided on said second ink flow channel. <IMAGE>