Printing cartridge for a camera and printer combination including an authentication device

A printing cartridge for refill of a camera that incorporates an inkjet printer, the printing cartridge comprising

• a housing that can be engaged with the camera;
• an ink supply arrangement that is positioned in the housing and is connectable to an ink feed arrangement of the printer to feed inkjet ink to the printer when the housing is engaged with the camera;
• a print media supply arrangement that is positioned in the housing and incorporates a roll of print media, the housing defining an exit slot from which the print media can be fed;
• a print media feed arrangement positioned in the housing and operable to feed print media from the exit slot;
• and
• an integrated authentication circuit positioned on the housing, said integrated authentication circuit being configured such that it can be queried by circuitry positioned in the camera, the authentication circuit storing data relating to at least one of the ink and the print media.