This is a compatible or remanufactured Panasonic KX-FA77 drum guaranteed to perform with Panasonic Laser Printers. It replaces the genuine (OEM) Panasonic KX-FA77 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 Panasonic KX-FA77 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 Panasonic it offers customers an economical alternative to expensive OEM Panasonic KX-FA77 cartridges and comes with our satisfaction guarantee.