PANASONIC UG-3220 DRUM UNIT (UG-3320 DRUM CARTRIDGE) ORIGINAL 20K YIELD For Panasonic Panafax UF-4000 Panafax UF-490 UF4000 UF490 Compatible Printer: Panasonic Fax Machines: Panafax UF-4000, Panafax UF-490 PAGE YIELD: 20,000 PAGES OEM PART # UG-3220 UG3220