Patent ID: 9238373
Filing Date: 2016-01-19
CPC Classification: A61B,B41J

Claim Text:
1. A fluid ejection device comprising: a fluid container including a fluid storing unit that stores fluid and a fluid outlet formed in the fluid storing unit; a fluid pressing unit configured to press the fluid storing unit and cause the fluid to flow out from the fluid outlet; a connection pipe, one end of which is connected to the fluid outlet; a fluid ejection unit including a fluid intake port, to which the other end of the connection pipe is connected, and configured to eject the fluid, which is taken in from the fluid intake port, in a pulse-like manner according to a drive signal; a pressure detecting unit configured to detect pressure in the fluid storing unit; an ejecting-strength input unit configured to receive an input for setting ejecting strength of the ejecting of the fluid by the fluid ejection unit; a pressing control unit configured to control the fluid pressing unit to bring the pressure in the fluid storing unit close to a target pressure value determined according to the ejecting strength; an ejecting-instruction input unit configured to receive an instruction input for ejecting the fluid from the fluid ejection unit; and a fluid-ejecting control unit configured to output the drive signal to the fluid ejection unit, wherein when the ejecting-instruction input unit receives the instruction input, if the pressure in the fluid storing unit is equal to or higher than an upper limit value in a first predetermined range determined with reference to the target pressure value, the fluid-ejecting control unit does not output the drive signal and, if the pressure in the fluid storing unit is lower than the upper limit value, the fluid-ejecting control unit outputs the drive signal.