Lexmark 622H. Black toner page yield: 25000 pages, Printing colours: Black, Quantity per pack: 1 pc(s)Compatible Printers: Lexmark MX 810 dte, Lexmark MX 810 dtme, Lexmark MX 810 dtfe, Lexmark MX 810 dtpe, Lexmark MX 710 de, Lexmark MX 811 dme, Lexmark MX 810 dxme, Lexmark MX 711 de, Lexmark MX 810 dxpe, Lexmark MX 811 dxfe, Lexmark MX 811 dfe, Lexmark MX 812 dxfe, Lexmark MX 812 dxme, Lexmark MX 812 dpe, Lexmark MX 811 dpe, Lexmark MX 811 dxpe, Lexmark MX 812 dxpe, Lexmark MX 810 dxfe, Lexmark MX 710 dhe, Lexmark MX 812 dme, Lexmark MX 811 dxme, Lexmark MX 810 dpe, Lexmark MX 812 dfe, Lexmark MX 810 dfe, Lexmark MX 711 dhe, Lexmark MX 810 dme, Lexmark MX 711 Series, Lexmark MX 811 Series, Lexmark MX 810 Series, Lexmark MX 812 Series