| 摘要 |
PROBLEM TO BE SOLVED: To provide a liquid discharge device in which concentration uniformity of a liquid containing a sedimentary substance in a liquid supply channel is improved.SOLUTION: A liquid discharge device comprises a head which discharges a liquid containing a sedimentary substance, a liquid tank in which the liquid is stored, a liquid supply channel which supplies the liquid from the liquid tank to the head through a passage having the difference of elevation equal to or more than a prescribed length in the vertical direction and in which one or more bent part including a first kind of bent part in which the liquid supply direction changes from downward to upward is included in the passage, and a bent state change part which performs shape deformation of the liquid supply channel in the passage to change the first kind of bent part in the passage formation before deformation to a second kind of bent part in which the liquid supply direction changes from upward to downward. |
