FIELD: printing industry.
SUBSTANCE: fluid medium ejection device includes the fluid medium supply chamber for fluid medium storage, the ejection chamber comprising the nozzle and the corresponding ejecting element for selective ejection of the fluid medium through this nozzle, and the channel for fluid medium interconnection between the fluid medium supply chamber and the ejection chamber. The fluid medium ejection device also includes the pressure sensor unit with the sensor plate for voltage output, corresponding to the area of cross section of the fluid medium volume, at least, in the ejection chamber.
EFFECT: design improvement.
15 cl, 10 dwg
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