Patent ID: 9579899
Date: 2017-02-28
CPC Classifications: B41J

Claim:
1. An ink jet recording device, comprising: a recording head including a nozzle that discharges liquid droplets; a liquid storage that stores liquid to be supplied to the recording head; a first liquid ejecting passage that supplies the liquid from the liquid storage to the recording head; and a discharge passage, different from the first liquid ejecting passage, and the discharge passage discharge an air from the liquid storage during liquid filling toward the liquid storage; the liquid storage is used in a state in which the liquid is supplied to the recording head and the liquid storage is totally filled with the liquid; the liquid storage includes a first opening leading to the first liquid ejecting passage, and a second opening arranged at a higher position in the direction of gravity than the first opening and leading to the discharge passage; the second opening is provided at an uppermost part of the liquid storage in the direction of gravity; a part of the first liquid ejecting passage is arranged at a higher position in the direction of gravity than the second opening; in a way of the first liquid ejecting passage, a first height position which is an uppermost position in the direction of gravity is provided, and the first height position is disposed at a position higher than the second opening; the discharge passage is merged with the first liquid ejecting passage at the first height position.