Patent ID: 6076913
Filing Date: 2000-06-20
Classification: B41J

Abstract:
An inkjet printing system having a plurality of different inks which are respectively applied from a plurality of printhead ink nozzle arrays to media in a print zone comprising:a printer housing;multiple print cartridges each having at least one of the printhead nozzle arrays;a carriage mounted on said housing for scanning across the media in the print zone, with said multiple print cartridges mounted in respective locations on said carriage;an optical sensor on said carriage;a printhead servicing station located outside of the print zone in a traverse path of said carriage;wherein said servicing station includes a plurality of servicing modules, each servicing module being dedicated for ink interaction with at least one of said nozzle arrays such that said at least one of said nozzle arrays is positioned in aligned proximity with said dedicated servicing module when said carriage moves along said path to said printhead servicing station; anda label portion positioned on at least one moveable servicing module for displaying encoded visual informational indicia which is sensed by said optical sensor after said carriage moves along said traverse path to a position of said label portion on said moveable servicing module.