Patent ID: 7654656
Filing Date: 2010-02-02
Classification: B41J

Abstract:
1. An ink jet recording apparatus comprising: a plurality of main tanks for storing ink; a recording head that is provided with a plurality of sub-tanks each for storing the ink supplied from each main tank and that selectively ejects the ink in each sub-tank through an ejection nozzle and thereby records an image onto a recording medium; a pressurization section for pressurizing the ink in said main tanks and thereby supplying the ink in said main tanks to said sub-tanks; a switching unit for applying the pressure from said pressurization section selectively onto the plurality of main tanks; a plurality of tubes each for connecting each main tank to said switching unit; and a pressing mechanism comprising: wherein said switching unit selectively applies the pressure onto the plurality of main tanks by means of the pressing mechanism for individually pressing said plurality of tubes.