This is a compatible HP CF511A toner cartridge guaranteed to perform with HP Laser Printers. It replaces the genuine (OEM) HP CF511A toner cartridge. This toner cartridge is made with top quality components and new toner to give you the highest quality printouts every time. This compatible for HP CF511A toner cartridge is specially engineered to meet or exceed the highest standards of quality, reliability and page yields. Although this cartridge is not made or endorsed by HP, it offers customers an economical alternative to expensive OEM HP CF511A cartridges and comes with our satisfaction guarantee.