| 摘要 |
PROBLEM TO BE SOLVED: To enable to sufficiently stirring ink in an ink tank in a short time and to solve agglomeration and sedimentation of a coloring material of the ink by an inexpensive and simple constitution. SOLUTION: After a pressure difference between an ink storing part 21 whose volume is changeable and the ink tank 10 is generated in an ink flow path, a valve 23 is opened to make the ink in the ink storing part 21 flow reversely into the ink tank 10, and the ink in the ink tank 10 is agitated. COPYRIGHT: (C)2010,JPO&INPIT |
