Patent ID: 7721730

Claim:
An ejection apparatus for ejecting droplets of liquid comprising: a loading portion constructed to detachably load therein a liquid cartridge container for containing a liquid, and a liquid ejection cartridge having ejecting nozzles for ejecting the liquid; at least one reader constructed to read information, including first information attached to the liquid cartridge container and second information attached to the liquid ejection cartridge; and a judging unit constructed to judge, based on the information read by the at least one reader, at least one of (i) whether the liquid cartridge container is a predetermined liquid cartridge container and the liquid ejection cartridge is a predetermined liquid ejection cartridge, and (ii) whether a combination of the liquid cartridge container and the liquid ejection cartridge is a predetermined combination, wherein the first information attached to the liquid cartridge container includes information regarding a kind of the liquid contained in the liquid cartridge container or information regarding the liquid ejection cartridge which is suitable to be interconnected with the liquid cartridge container, and wherein the second information attached to the liquid ejection cartridge includes information regarding a diameter of the ejecting nozzles.