Compatible Black High Capacity NEC Toner Cartridge 20-122 (6,000 Page Yield) for NEC SuperScript 870 Toner cartridges are compatible toner cartridges (non OEM). Toner cartridges are all professionally tested thoroughly before they are shipped. Toner cartridges are manufactured with new components, new toner, and air-sealed in an ISO-9001 / ISO-14001 quality certified factory.