Laser Toner-Lexmark #621 Black, Return Program

Lexmark laser toner for: MX710de/ MX710dhe/ MX711de/ MX711dhe/ MX711dte/ MX711dthe/ MX810de/ MX810dfe/ MX810dme/ MX810dpe/ MX810dte/ MX810dtfe/ MX810dtme/ MX810dtpe/ MX810dxe/ MX810dxfe. 6,000 page yield. Return program toner. Return Program Cartridges are sold at a discount vs the price of regular cartridges, in exchange customer agrees to use the cartridge once and return it to Lexmark for remanufacturing or recycling.