Unknown Compatible Toner Cartridge Replacement for HP 2605dtn ( Black,Cyan,Magenta,Yellow , 4-Pack ) Toner cartridges are compatible toner cartridges (non OEM). Toner cartridges are all professionally tested thoroughly before they are shipped. Toner cartridges are manufactured with new components, new toner, and air-sealed in an ISO-9001 / ISO-14001 quality certified factory.