This genuine Hewlett Packard HP C4129X ( HP 29X ) Black Ultraprecise Print Toner Cartridge guaranteed to perform with the Hewlett Packard HP LaserJet 5000 toner printers produces optimum quality output. The higher yield toner cartridge offers users a long lasting, reliable cartridge which reduces the number of cartridge replacements and printer down-time. This higher yield toner cartridge also provides customers with a low overall cost of ownership. (10,000 pages yield, based on 5% average page coverage) Features: · Designed to work precisely with Hewlett Packard LaserJet 5000 and 5100 toner printers · Hewlett Packard HP C4129X ( HP 29X ) Ultraprecise Print Toner Cartriges use Dual Polymer Toner particles, Helical Roller Drive, and Magnetic Seals to deliver optimum quality printouts · High-capacity cartridge means a lower cost per page.