Patent ID: 6488422
Filing Date: 2002-12-03
Classification: B41J

Abstract:
A pagewidth printer comprising:a printhead having an array of fixed printing nozzles thereon, a platen having a platen surface, the platen located opposite the array of fixed printing nozzles; at least one cam coupled to said platen; a sensor means arranged to sense a thickness of a print media; at least one projection fixed relative to said array of fixed printing nozzles and arranged to follow said at least one cam; means responsive to the sensor means for rotating the at least one cam thereby adjusting the spacing between the fixed array of printing nozzles and the platen by action of the at least one cam upon the at least one projection wherein said platen is mounted so as to rotate about a longitudinal axis thereof and said platen surface extends along the platen parallel with said axis, said pagewidth printer further including a shaft disposed along said axis, wherein the at least one cam is coupled to an end of the shaft and wherein the platen includes a blotting surface disposed parallel to said axis.