| 摘要 |
<p>To properly perform deaeration of ink in an ink-jet printer. An ink supply portion includes an ink tank, a deaeration portion, an upstream-side ink flow path and a downstream side ink flow path, in which the deaeration portion includes an ink branching portion, plural deaeration modules arranged in parallel in an ink flow path, plural pumps, and an ink converging portion. Respective plural deaeration modules are arranged between the ink branching portion and the ink converging portion in corresponding branch flow paths, and respective pumps are arranged in series to corresponding deaeration modules in the branch flow paths, allowing ink to flow in corresponding deaeration modules.</p> |
