| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a circulation type inkjet head apparatus that can accurately and stably discharge various kinds of ink. <P>SOLUTION: The circulation type inkjet head apparatus includes a plurality of inkjet heads 2, a supply tank 3, a first recovery tank 4, and a second recovery tank 5. In the circulation type inkjet head apparatus, ink circulates through the supply tank 3, the inkjet head 2, the recovery tanks (the first recovery tank 4, the second recovery tank 5), in this order. Each of the plurality of inkjet heads 2 includes one supply port to which the ink is supplied, and one recovery port in which the ink is recovered. Out of the plurality of inkjet heads 2, the inkjet head having a first pressure value as its internal pressure is connected to the first recovery tank 4. Out of the plurality of inkjet heads 2, the inkjet head having a second pressure value as its internal pressure is connected to the second recovery tank 5. <P>COPYRIGHT: (C)2013,JPO&INPIT |
