Patent ID: 8939529
Filing Date: 2015-01-27
Classification: B41J

Abstract:
1. An image forming device comprising: (A) a first nozzle group in which nozzles which eject a first photo-curable ink are aligned in a predetermined direction; (B) a second nozzle group in which nozzles which eject a second photo-curable ink are aligned in the predetermined direction, and are arranged by being deviated from the first nozzle group on one side in the predetermined direction; (C) a light irradiation unit which cures the photo-curable ink by radiating light to the photo-curable ink, and is arranged by being extended at least in the predetermined direction, by being stretched to an end portion on one side of the second nozzle group in the predetermined direction from an end portion of the other side of the first nozzle group in the predetermined direction; and (D) a control unit which causes an ejection operation in which the photo-curable ink is ejected from the nozzle while moving the nozzle groups and the light irradiation unit in a movement direction which intersects the predetermined direction, and a transport operation which relatively moves the nozzle group and the light irradiation unit, and the medium in the predetermined direction to be repeatedly executed, and forms a main image which is formed using the first photo-curable ink, and a background image which is overlappingly formed using the second photo-curable ink, in a state where a non-ejection area that includes an irradiation nozzle group in which ink is not ejected is provided between the first nozzle group and the second nozzle group in the predetermined direction so as to contact both the first and second nozzles groups, wherein a length of the non-ejection area in the predetermined direction is longer than a length of a nozzle pitch of the nozzles.