High-yield toner cartridge delivers trouble-free printing page after page and consistent results, cartridge after cartridge. Office printing runs smoothly with Original HP cartridges and enhanced toner. Take advantage of supplies tracking and management features of Original HP cartridges - proven reliable in independent testing - to reduce your administrative costs ultimately lower your printing costs. Toner cartridge is designed for use with HP LaserJet P4015 and P4515n. Each cartridge yields approximately 24,000 pages.