Patent ID: 8733924
Filing Date: 2014-05-27
Classification: B41J,B65H

Abstract:
1. An inkjet printer comprising: a transfer belt having belt through holes; a platen plate having suction holes pierced from an obverse side thereof to a reverse side thereof and recess portions opened about the suction holes, respectively, toward the obverse side; and a suction device that suctions a recording medium laid on the transfer belt through the belt through holes, the recess portions and the suction holes; a print head provided with arrays of ink discharge nozzles facing at least parts of the recess portions and positionally fixed in relation to the platen plate, wherein an array of ink discharge nozzles is disposed in one of a front region and a rear region across a suction hole inside a recess portion of the platen plate in a transfer direction of a print sheet, the suction holes are disposed in an area that is not just beneath the arrays of ink discharge nozzles, the suction holes are formed to have a first flow rate of air generated by the suction device in a first suction path formed by the suction hole, the one of the regions where the array of ink discharge nozzles is disposed and the belt through hole in the one of the regions, and a second flow rate of air generated by the suction device in a second suction path formed by the suction hole, another of the regions at the recess portion and the belt through hole in the other of the regions, the first flow rate being smaller than the second flow rate, the suctions holes are further formed with an opening shape in which opening area on one side coincident with the one of the regions with respect to a center thereof in the transfer direction is smaller than an opening area on another side coincident with the other of the regions.