Patent ID: 9550368
Date: 2017-01-24
CPC Classifications: B41J

Claim:
1. A print device comprising: a head portion including a nozzle face having a nozzle configured to inject liquid; a plurality of mount portions, each of the plurality of mount portions configured to mount a container that contains the liquid, and the plurality of mount portions including a first mount portion and a second mount portion; a plurality of fluid passages, each of the plurality of fluid passages configured to connect a corresponding one of the plurality of mount portions to the head portion; a plurality of reservoir portions configured to reserve the liquid, each of the plurality of reservoir portions being disposed at a corresponding one of the plurality of fluid passages; a plurality of open-close valves each disposed on a corresponding one of a plurality of connection paths, the plurality of connection paths being part of the plurality of fluid passages and configured to connect the plurality of mount portions to the plurality of reservoir portions; and a control unit configured to control opening and closing of each of the plurality of open-close valves such that a first valve open time period for the open-close valve disposed on a first connection path is shorter than a second valve open time period for the open-close valve disposed on a second connection path, the first connection path and the second connection path being included in the plurality of connection paths, the first mount portion connected to the first connection path being positioned higher than the second mount portion connected to the second connection path, a pressure of the liquid flowing into the reservoir portion from the first connection path being higher than a pressure of the liquid flowing into the reservoir portion from the second connection path.