Patent ID: 6139140
Filing Date: 2000-10-31
Classification: B41J

Abstract:
An inkjet printing apparatus which moves a media sheet along a media path and marks the media sheet with ink, comprising:an inkjet pen, including an inkjet printhead having a plurality of inkjet nozzles which eject ink onto a portion of the media sheet located within a print zone, the print zone located adjacent to the plurality of nozzles;an endless belt support which supports the media sheet at an outer surface of the belt support as the media sheet passes along the media path through the print zone;a roller located upstream along the media path prior to the print zone, the roller stabilizing the media sheet relative to the outer surface of the belt support; anda guide shim located along the media path, the guide shim having a guide surface extending at least from the roller, beyond the roller into a region between the belt support and the inkjet pen toward an edge of the print zone, the guide shim acting upon a portion of the media sheet between the roller and the print zone to hold the media sheet to the belt support and to keep the media sheet out of contact with the printhead.