OEM Part # UG-5520 UF-890 UF-990 UG5520 UF890 UF 990Panasonic Compatible TONER CARTRIDGE COLOR BLACK Yields up to 12,000 pages Mfr's # UG5520 UG 5520 UG-5520 Compatible Models: Panasonic UF890 Panasonic UF990. Panasonic UF-890 Panasonic UF-990 Panasonic UF 890 Panasonic UF 990