Patent ID: 6019466
Filing Date: 2000-02-01
Classification: B41J

Abstract:
A multicolor liquid ink printer for printing on sheets of plain paper, comprising:(a) a flat stationary platen having a sheet supporting surface for supporting a sheet of plain paper, said stationary platen being generally rectangular including a first long side, a second long side, a first short end, and a second short end;(b) a heating device for heating said stationary platen;(c) a sheet containing and feeding assembly for containing and feeding sheets of plain paper onto said sheet supporting surface of said stationary platen; and(d) a bidirectionally movable sheet driving and printing assembly being movable over and relative to said stationary platen and to a sheet being supported on said stationary platen, said sheet driving and printing assembly including (i) a carriage device; (ii) drive rollers mounted to said carriage device for driving and moving a sheet on said stationary platen relative to said stationary platen, and (iii) a plurality of full width array printheads mounted to said carriage device, each full width array printhead of said plurality of full width array printheads containing a different color liquid ink for printing an unmottled, high quality liquid ink image onto a sheet of plain paper stationarily supported on said flat platen, thereby together forming an unmottled, high quality multicolor liquid ink image on said plain paper.