| 摘要 |
This invention relates to an ink jet device that is adaptive for preventing formation of a bad pattern as well as improving the life span of the ink jet device. An ink jet device according to an embodiment of the present invention includes: a maintaining/repairing stage filled with cleaning water; a plurality of nozzles to be submerged into the maintaining/repairing stage filled with the cleaning water; a plurality of chambers connected to the nozzles in a one-to-one relationship, wherein a volume of each chamber is variable by a pressing means; a supply tube that supplies a discharged material; a discharging tube that discharges a contaminant and the cleaning water from at least one of the nozzle and the chamber; a collecting and delivering part connected to the supply tube, the discharging tube and the chambers that supplies the discharged material from the supply tube to the chambers and supplying the contaminant and the cleaning water from the chambers to the discharging tube; and a pump connected to the discharging tube that pumps the contaminant and the cleaning water to the discharging tube.
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