Patent ID: 8162452
Filing Date: 2012-04-24
Classification: B41J

Abstract:
1. A liquid discharge device, comprising: a discharge head comprising a nozzle for discharging liquid; a sub tank capable of storing liquid to be supplied to the discharge head, the sub tank comprising a first member; a liquid replenishment device comprising a main tank capable of storing liquid to be supplied to the sub tank, and a second member to be connected to the main tank, wherein the second member is capable of being connected to and disconnected from the first member, and the liquid within the main tank is to be supplied to the sub tank when the second member is in a connected state with the first member; and a seal member that seals between the first member and the second member when the second member is in the connected state with the first member; wherein the first member comprises a first liquid path and a first valve biased in a direction where the first liquid path is closed; wherein the second member comprises a second liquid path and a second valve biased in a direction where the second liquid path is closed; wherein the first member and the second member are configured to open the second liquid path first, and then open the first liquid path in a case where the second member is to be connected to the first member; wherein the main tank comprises: wherein an opening of the second liquid path is located higher than a liquid level within the main tank; and wherein, when a state where the seal member seals changes into a state where the seal member does not seal, a state of the main tank hole changes from a closed state into an opened state.