| 摘要 |
There is disclosed an ink jet recording apparatus which comprises a pit-in ink supply mechanism for interconnecting a main tank and a subtank to be communicated with/separated from each other, and supplying an ink from the subtank to a recording head. In this constitution, an ink residual amount V in the subtank during recording or at the end of recording is selected to be V>v/b in which V is the ink residual amount in the subtank during recording or after the end of recording, b(1>b>0) is a nonvolatile component ratio of the ink,and v is a volume of a liquid chamber of the recording head.
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