The Genuine HP 80X CF280XC LaserJet Black Toner Cartridge is an OEM product designed specifically for HP printers. It is compatible with LaserJet Pro 400 M425dn, M401, M425dn, M401dw, M401dn, and M401n models, providing high-quality black printing with a page output of 6900 pages. This genuine/ original HP toner cartridge is ideal for use in North America and comes with a California Prop 65 Warning due to its contents. Trust in the HP brand for reliable and consistent printing results.