This is a compatible or remanufactured Dell M127K / F479K toner cartridge guaranteed to perform with Dell Laser Printers. It replaces the genuine (OEM) Dell M127K / F479K 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 or remanufactured for Dell M127K / F479K 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 Dell it offers customers an economical alternative to expensive OEM Dell M127K / F479K cartridges and comes with our satisfaction guarantee.