Source All model black toner cartridge for OKI B410/B430/B440/B4400B/4600/B401/B431/B2500/B6200/B6300/B710/B721/B84 n dn dtn printer on m.alibaba.com
Okidata / Oki B 431 D Black Toner #44574901
Original Genuine OKI B431 Toner, 12K (44917603), Original OKI Toners
LD Compatible Replacement for Okidata 44574901 High Yield Black Laser Toner Cartridge for use in Okidata MB461 MFP, MB471, MB471W, OKI B431d, and B431dn s - Walmart.com
4 Pack Compativle Okidata 44574901 (B431) Black High Yield Replacement Toner Cartridges for the Okidata B431d, B431dn, MB461 MFP, MB471, MB471W – Laser Tek Services