Enjoy excellent printing with our Genuine and Compatible Toner Cartridges for your Okidata B 431DN Monochrome Printer. All of the Compatible and Genuine Okidata toner cartridges that we sell go through a vigorous inspection process before they are shipped to ensure outstanding printing results. Our OEM / Genuine and Compatible Okidata 44574701 black laser toner cartridges, Genuine Okidata 44574901 high yield toner cartridges, and Genuine Okidata 44574301 Imaging Drum Units combined with your Okidata b431dn workgroup printer will create stunning printouts with bold text at noteworthy speeds. Each Okidata toner cartridge has up to a 2 year shelf life for definitive convenience and performance. We guarantee exceptional print quality from these Compatible and Genuine Okidata cartridges or we will refund your money within 90 days of purchase.