Invention Grant
US09087264B2 Ink jet recording apparatus and nozzle recovery method 有权
喷墨记录装置和喷嘴回收方法

Ink jet recording apparatus and nozzle recovery method
Abstract:
An ink jet recording apparatus includes a recording head having a common liquid chamber and a plurality of nozzles configured to discharge ink supplied from the common liquid chamber using generation of bubbles, and a recovery unit configured to perform recovery processing on the plurality of nozzles, wherein the recovery unit performs the recovery processing while the recovery unit changes a distribution of flow velocity of the ink flowing from the common liquid chamber to the plurality of nozzles by generating bubbles within apart of the nozzles among the plurality of nozzles.
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