An ink jet recording apparatus which jets an ink onto a recording medium to record an image, includes: a housing which has an opening at an upper portion thereof; a carriage which reciprocates in the housing and carries an ink cartridge containing the ink and a recording head for jetting the ink; a tray, at least a portion of which is provided in the housing and on which the recording medium recorded by the ink jetted from the recording head is discharged; a cover which is provided on the upper portion of the housing and opens/closes the opening; and a light source which is provided so that both a carriage area in which the carriage is positioned when the ink cartridge is replaced and a discharge area, of the tray, in which the recording medium is discharged are irradiated with a light from the light source.