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 (3); an ink tank (6) for storing the ink; a first ink flow channel (11) for passing the ink from said ink tank (6) to said recording means; a second ink flow channel (12) for passing the ink from said recording means into said ink tank (6); a filter (16) provided on said ink flow channel (12); and back flow prevention means provided on said second ink flow channel (12). <IMAGE>