Patent ID: 9561659
Date: 2017-02-07
CPC Classifications: B41J

Claim:
1. A liquid ejection device, comprising: a liquid ejection head including a nozzle surface on which a first nozzle and a second nozzle are formed, the first nozzle being configured to eject first liquid among a plurality of types of liquids and the second nozzle being configured to eject second liquid among the plurality of types of liquids; and a liquid supply section disposed on an opposite side of the nozzle surface of the liquid ejection head in a first direction perpendicular to the nozzle surface, the liquid supply section being configured to supply the first liquid and the second liquid to the liquid ejection head; wherein the liquid ejection head includes a plurality of first supply ports and a plurality of second supply ports on the opposite side, the plurality of first supply ports to each of which the first liquid is supplied and the plurality of second supply ports to each of which the second liquid is supplied, the plurality of first supply ports and the plurality of second supply ports being arranged along a second direction crossing the first direction; and wherein the liquid supply section includes: wherein the plurality of first connection passages and the plurality of second connection passages are disposed without overlapping with each other in the first direction; wherein the first liquid chamber overlaps with the plurality of first connection passages and at least a part of the plurality of second connection passages in the first direction; and wherein the plurality of first supply ports are disposed on both sides of the plurality of second supply ports along the second direction.