Enjoy excellent printing with our Remanufactured and Genuine Toner Cartridges for your Burroughs-Unisys UDS 20 Monochrome Printer. All of the Genuine and Remanufactured Lexmark toner cartridges that we sell go through a vigorous inspection process before they are shipped to ensure outstanding printing results. Our Remanufactured and OEM / Genuine Lexmark 12A5845 High Yield Black Laser Toner Cartridges, as well as our Genuine Lexmark 12A5745 High Capacity Black Toner Cartridges combined with your Burroughs Unisys uds20 workgroup printer will create stunning printouts with bold text at noteworthy speeds. Each Lexmark Toner Cartridge has up to a 2 year shelf life for definitive convenience and performance. We guarantee exceptional print quality from these Lexmark toner cartridges for your Burroughs Unisys printer or we will refund your money within 90 days of purchase.