| 摘要 |
An ink jet recording apparatus for recording by discharging ink comprises an ink tank for retaining ink to be discharged, an ink jet head provided with a discharge port for discharging retained ink, an ink route connecting the ink tank with the ink jet head to form the ink flow from the ink tank to the ink jet head, a deaerator arranged on the way of the ink route to remove gas contained in ink. For this ink jet recording apparatus, at least the section in which the deaerator is connected with the ink jet head in the ink route is formed by material containing polyvinylidene fluoride resin. With the structure thus arranged, the sufficiently deaerated ink is supplied to the ink jet head for the stable discharges of ink without wasting ink, hence reliably forming precise images at lower costs.
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