Ink jet recording apparatus and nozzle recovery method

摘要

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.

主权项

1. An ink jet recording apparatus comprising:
a recording head including a common liquid chamber, a plurality of nozzles configured to discharge ink supplied from the common liquid chamber and a plurality of heaters disposed on each of the nozzles and configured to generate bubbles within each of the nozzle; a cap configured to cap the plurality of nozzles; a suction pump configured to introduce negative pressure to an interior portion of the cap; and a control unit configured to drive heaters corresponding to some of the plurality of nozzles when driving the suction pump.