Panasonic UG5540. Black toner page yield: 10000 pages, Printing colors: Black, Quantity per pack: 1 pc(s)Compatible Printers: Panasonic UF 9000, Panasonic UF 7950, Panasonic Panafax UF-7950, Panasonic UF 8000, Panasonic Panafax UF-8000, Panasonic UF...