High-capacity toner cartridge delivers trouble-free printing, page after page, for peak office efficiency, day after day, in your HP LaserJet P3015 Series, Enterprise 500 MFP M525f, Enterprise 500 MFP M525dn, Enterprise Flow M525c & LaserJet Pro MFP M521dn. Uniquely formulated HP toner, the proven all-in-one cartridge design & built-in intelligence make Original HP toner cartridges the time-saving, cost-effective choice. Cartridge yields approximately 12,500 pages.