| 摘要 |
PROBLEM TO BE SOLVED: To provide an ink tank capable of keeping color material density in the ink tank as uniformly as possible with a simple configuration without separately preparing a drive source and a time for agitation.SOLUTION: A movable member 24 is provided in an ink storage chamber 30. The movable member 24 receives buoyancy and keeps a horizontal attitude when there is a lot of ink residual, rotates according to a change in buoyancy as ink is consumed, and agitates the residual ink. |
