Patent ID: 9180691
Filing Date: 2015-11-10
Classification: B41J

Abstract:
1. A platen device applying suction to a conveyed recording medium opposite a printhead, comprising: a platen divided perpendicularly to a conveyance direction of the recording medium into a plurality of suction zones with suction holes in a surface of the platen that contacts the recording medium; a plurality of shutters disposed above the surface of the platen, the plurality of shutters respectively opening or closing the suction holes according to a width of the conveyed recording medium; the conveyance path of the conveyed medium over the platen is above the plurality of shutters; the plural suction zones are divided by a plurality of guide ribs extending in the conveyance direction on the surface of the platen; the suction holes are disposed in a recessed surface of the platen between two adjacent guide ribs; and the shutters are disposed on the recessed surface.