Patent ID: 7980653

Claim:
An ejection inspecting device which inspects an ejection state of an ejection head including a plurality of nozzles ejecting fluid, the device comprising: a plurality of fluid receiving areas corresponding to the ejection head so as to receive the fluid ejected from the plurality of nozzles; a potential difference generating unit which generates predetermined potential differences between the ejection head and the fluid receiving areas; a plurality of electrical variation detecting units which are connected to the plurality of fluid receiving areas so as to detect electrical variations of the fluid receiving areas; and a control unit which drives the ejection head so as to eject the fluid to the plurality of fluid receiving areas from the nozzles in a state in which the predetermined potential differences are generated between the ejection head and the fluid receiving areas by the potential difference generating unit and performs nozzle inspection for inspecting whether the fluid is ejected from the nozzles on the basis of the detection results of the electrical variation detecting units in the fluid receiving areas.