| 摘要 |
<p>PROBLEM TO BE SOLVED: To solve a problem that an arrangement space of a pressure regulation unit for ink supply needs to be secured near an ink jet head leading to enlargement of an ink jet device, and to increase an amount of regulated pressure with the small pressure regulation unit.SOLUTION: An ink jet recording device includes: an ink jet head including an ink supply port which communicates with an ink pressure chamber and supplies an ink and an ink discharge port which communicates with the ink pressure chamber and discharges the ink that is not discharged from a nozzle; a gas chamber containing a gas contacting with the ink transferred from the ink discharge port; a gas chamber containing a gas contacting with the ink supplied to the ink supply port; and a pressure regulation part which regulates pressures of the gas chambers. The ink jet recording device makes prints while circulating the ink. The pressure regulation part is controlled to regulate the pressures of the gas chambers.</p> |
