Okidata Compatible 5.5K Yield Toner Cartridge for Oki Printers: Oki MB260 MFP MB260MFP Oki MB280 MFP MB280MFP Oki MB290 MFP MB290MFP PAGE YIELD: HIGH CAPACITY HIGH YIELD 5500 PAGE TONER CARTRIDGE OEM PART # 56123402 Note: Also Replaces OKI Part # 56123401 100% Compatible AND GENERIC BRAND