Panasonic KXFA84 Drum Unit, Black This is an O.E.M. Authorized part Fits with various Panasonic brand models Oem part # KX-FA84 The Panasonic KX-FA84 drum unit works with the KX-FA83 toner cartridge The drum unit's expected lifetime is 10,000 pages This genuine Panasonic product is compatible with all faxes in the KX-FL511 series. Works with Panasonic toner cartridge to create clean faxes and copies Genuine Panasonic replacement part