TCT Compatible Toner Cartridge Replacement for the Okidata B431 Series - 1 Pack Black - Walmart.com
1 Pack Compatible Okidata 44574901 (B431) Black High Yield Replacement Toner Cartridge for the Okidata B431d, B431dn, MB461 MFP, MB471, MB471W – Laser Tek Services
Amazon.com : OKI Image Drum for B411/B431 Series A4 Mono Printers, 44574302 - Black : Laser Printer Toner Cartridges : Office Products