Patent ID: 8684496
Filing Date: 2014-04-01
Classification: B41J

Abstract:
1. An ink-jet head comprising: a nozzle plate on which nozzle arrays each including nozzles lined up along a longitudinal direction of the ink-jet head are provided to be in parallel to one another; and a passage unit in which a plurality of common ink chambers, which are fluidly communicated with the nozzles and configured to store ink supplied to the nozzles, are formed to be in parallel to the nozzle arrays, the plurality of common ink chambers including a first common ink chamber and a second common ink chamber, the first common ink chamber being different from the second common ink chamber, the nozzle arrays including: wherein the second nozzle array group includes a first nozzle array at an end close to the first nozzle array group and a second nozzle array that is located next to the first nozzle array, and the first nozzle array and the second nozzle array are separated by one of the nozzle arrays included in the first nozzle array group at an end close to the second nozzle array group.