A secure printer cartridge

摘要

The invention relates to an inkjet printer cartridge (46) including at least one print head (50) for printing data on a support (17), characterized in that a thin printed circuit (66) is permanently fixed to the printer cartridge and a miniature data processing unit (68) fixed to said printed circuit analyzes a stream (44) of printing commands for controlling the print head to authenticate the data to be printed on the support. <IMAGE>