Speedy Inks - Compatible Panasonic KX-FA85 Black Laser Toner KXFA85 For use in Panasonic: KX-FLB801, KX-FLB811, KX-FLB851, and KX-FLB881 Color: Black Page Yield 8,000 The high yield KX-FA85 replaces lower yield KX-FA87 The use of aftermarket replacement cartridges and supplies does not void your printer's warranty