Standard Yield. Never compromise. Because Lexmark\'s Standard outpaces the competition\'s, you can keep up-front costs low and quality high.Technology. Outstanding results page after page, year after year. Superior Lexmark design means precision pairing between printer and cartridge for value, quality and environmental responsibility you can count on.Lexmark Cartridge Collection Program. Going green has never been easier. Recycle all your used Lexmark supplies by letting us take care of the details. It\'s simple, smart and always free.Lexmark Return Program Cartridges. Lexmark Return Program cartridges are patented print cartridges sold at a discount in exchange for the customer\'s agreement to the license requirement that the cartridges will be used only once and returned only to Lexmark for remanufacturing or recycling. These patented cartridges are licensed for single use only and will stop working after delivering a fixed amount of ink and/or toner. Ink and/or toner may remain in the cartridge when replacement is required. Replacement cartridges sold without these restrictions are also available.