Ink jet head having a plurality of drive circuits housed in a casing

摘要

An ink jet head includes an ejection unit including first nozzles arranged along a line, second nozzles arranged parallel to the first nozzles, a first actuator configured to cause ink to be ejected from the first nozzles, and a second actuator configured to cause ink to be ejected from the second nozzles, a first drive circuit configured to drive the first actuator, a second drive circuit configured to drive the second actuator, and a casing. The casing has a first space on a first side of the casing and a second space on a second side of the casing that is opposite to the first side. The first drive circuit is housed in the first space and the second drive circuit is housed in the second space.

主权项

1. An ink jet head comprising:
an ejection unit including first nozzles arranged along a line, second nozzles arranged parallel to the first nozzles, a first actuator configured to cause ink to be ejected from the first nozzles, and a second actuator configured to cause ink to be ejected from the second nozzles; a first drive circuit configured to drive the first actuator; a second drive circuit configured to drive the second actuator; a pipe through which ink is circulated between the ejection unit and an ink tank; and a casing having therein a first space on a first side of the casing, a second space on a second side of the casing that is opposite to the first side, and a third space that is formed between the first space and the second space and sealed off from the first and second spaces, the first drive circuit being housed in the first space, the second drive circuit being housed in the second space, and the pipe at least partially being housed in the third space.