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 and LaserJet Pro MFP M521dn. Uniquely formulated HP toner, the proven all-in-one cartridge design and built-in intelligence make Original HP toner cartridges the time-saving, cost-effective choice. Cartridge yields approximately 12,500 pages.