Panasonic UG-3350 Compatible Toner, for Panasonic PanaFax UF 585 THIS CTUG3350 IS A PROFESSIONALLY MANUFACTURED COMPATIBLE TONER THAT REPLACES THE ORIGINAL PANASONIC UG-3350 BLACK TONER CARTRIDGE. THIS CARTRIDGE WAS ENGINEERED IN A MANUFACTURING FACILITY THAT USES STATE OF THE ART PROCESSES TO INSURE THAT THIS CARTRIDGE WILL PRINT AS WELL AS THE Works with the following models: Panasonic Panafax UF585, Panasonic Panafax UF595