It is an object to provide an inkjet printer which allows selection between improvement in print quality by superposing UV ink droplets on a surface of a print medium in the leveled state without bleeding and improvement in printing speed rather than the print quality depending on the applications of printed matters. An inkjet printer comprises a UVLED unit which emits ultraviolet light to a print medium (2) supported on a supporting table (12) to cure UV ink droplets deposited on the print medium (2), a controller (23) which adjust the light quantity of ultraviolet light, emitted from the UVLED unit to the UV ink droplets deposited on the print medium (2), from a light quantity for temporary curing to a light quantity for final curing, and a control unit (20) capable of selecting between a two-stage curing mode in which UV ink droplets deposited on the print medium (2) are temporarily cured ant are then finally cured and a single-stage curing mode in which UV ink droplets are finally cured by an irradiation with ultraviolet light at one time by means of the UVLED unit and the controller (23).