The HP no. 82 ink cartridges are part of a modular ink system that delivers fast printing automatically. HP no. 82 ink cartridges come in one 69 ml size and achieve ultimate photo-quality images in concert with the HP no. 10 black ink cartridge and the HP no. 11 printheads. Smart chips embedded into each of the individual printheads and ink cartridges track printhead wear and ink usage and automatically work with the printer to ensure high quality prints. Compatible With HP Designjet 510 610 mm Printer (CH336A) HP Designjet 510 1067 mm Printer (CH337A) HP Designjet 510ps 610 mm Printer (CJ996A) HP Designjet 510ps 1067 mm Printer (CJ997A) HP Designjet 111 610 mm Printer with Roll (CQ532A) HP Designjet 111 610 mm Printer with Tray (CQ533A)