This is a 4-pack of compatible HP CF 279A toner cartridge guaranteed to perform with HP Laser Printers. It replaces the genuine (OEM) HP CF 279A 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 CF 279A toner cartridge is specially engineered to meet or exceed the highest standards of qualitreliability and page yields. Although this cartridge is not made or endorsed by HP, it offers customers an economical alternative to expensive OEM HP CF 279A cartridges and comes with our satisfaction guarantee. This toner cartridge is compatible with LJ Pro M12, MFP M26 and many more