A printing assembly comprises a printing subassembly, having a printhead and at least one first roller adjacent to the printhead, and an ink cartridge including a housing, the housing defining at least one ink reservoir, and at least one second roller mounted to the housing, the second roller being arranged...http://www.google.de/patents/US6974212?utm_source=gb-gplus-sharePatent US6974212 - Printing assembly for an inkjet printer