The CF287XC Same as CF287X 87X Hi-Yield Black Toner Cartridge is a compatible product for HP Laser printers, specifically the M506 and M527 models. This premium toner cartridge offers a page output of up to 18,000 pages, making it ideal for high-volume printing environments. With a chip included, this black toner cartridge ensures compatibility and reliable performance with your HP printer. Perfect for professional businesses and individuals who require crisp, clear black prints in large quantities.