Best Together Genuine Lexmark supplies are engineered to work Best Together with your Lexmark printer, delivering excellent print quality from the first page to the last. Standard Yield Keep up-front costs low and quality high with Genuine Lexmark cartridges. Standard Yield cartridges offer a lower purchase price and contain fewer pages than High Yield cartridges do. Perfect for low volume printing. You'll earn free High Yield toner cartridges and imaging kits simply for using Genuine Lexmark toner and returning your empty cartridges to Lexmark for recycling. Lexmark Return Programme Cartridges Lexmark Return Programme cartridges are patented print cartridges sold at a discount in exchange for the customerÂs agreement to the licence requirement that the cartridges will be used only once and.