1 Pack Compatible Okidata 44574901 (B431) Black High Yield Replacement Toner Cartridge for the Okidata B431d, B431dn, MB461 MFP, MB471, MB471W – Laser Tek Services
Compatible Toner Black 44917602 For OKI B431DN Plus/B431D/MB491 [12K] | eBay
Oki B431DN - Video - CNET
High Capacity Toner Cartridge for Oki B431 B431d B431dn B411 MB461 MB471 Printer | eBay
44574901 Toner Cartridge Black 200802 OKI MB491+LP MFP MB491 MB471w MB471 MB461 B431dn - Sun Data Supply