| 摘要 |
PROBLEM TO BE SOLVED: To increase a stirring amount of ink in an ink tank or the like by utilizing pressure supply constitution using a buffer tank in an inkjet recorder. SOLUTION: The ink is made to flow to the buffer tank 4 from the ink tank 1 through a supply valve 19 by driving a bellows pump 2. In such a case, stirring operation in a state where a bypass valve 23 is opened, the ink flows into an ink reservoir chamber of the ink tank 1 through a bypass 23A. At such a time, it is possible to cyclically pulsate the ink in the ink reservoir chamber by drive of the bellows pump 2. Since such pulsation is inflow into the ink reservoir chamber and outflow from the ink reservoir chamber, as a result, circulation of ink flow is generated between the buffer tank and the ink reservoir chamber. Consequently, the stirring amount of the ink is made larger even if drive force of the pump is not so strong. COPYRIGHT: (C)2010,JPO&INPIT |
