| 摘要 |
PURPOSE: An ink container is provided to control the pigment settlement in a pigment ink and to form a high quality image by embedding an absorbing member. CONSTITUTION: An ink container comprising a negative pressure generating member(102) accommodating portion for accommodating a negative pressure generating member for retaining therein pigment ink to be supplied to an ink jet head, an ink supply port for supplying the ink to the ink jet head, an air vent for fluid communication between the negative pressure generating member accommodating portion and an ambient air, and an ink non-transmitting portion for partly blocking flow of the ink in the negative pressure generating member toward the ink supply port, wherein fluid communication is enabled except for the non-transmitting portion, and a sectional area, across a general direction of the flow of the ink toward the ink supply port in the negative pressure generating member accommodating portion, of non-communicating portion is not less than 50%.
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