Patent ID: 7771039
Filing Date: 2010-08-10
Classification: B41J

Abstract:
1. An ink jet printer that performs printing by discharging ink droplets from nozzles of an ink jet head onto a print medium, comprising: a moisture adjusting unit that is provided at a downstream side of the ink jet head in a print medium transport direction and adjusts moisture of the print medium by moving moisture of a printing surface of the print medium, onto which the ink droplets are discharged from the ink jet head, to a surface opposite the printing surface, the moisture adjusting unit including: a moisture adjustment control unit that controls moisture adjustment of the print medium performed by the moisture adjusting unit in accordance with a ratio of the number of nozzles, from which the ink droplets from the ink jet head are discharged, to the total number of nozzles; and a pair of bored transport belts that transport the print medium in a state in which the print medium is pinched between the heating portion and the suction portion, wherein holes of the pair of bored transport belts are shifted from each other.