Average continuous page yield in simplex mode up to 36,000 standard pages. Declared value according to ISO/IEC 19752. Very high capacity Experience reliable printing. Very high capacity print cartridges enable big savings through efficient printing that protects both your budget and the environment. Technology Outstanding results - page after page, year after year. High-quality Lexmark design means a precise match between printer and print cartridge to perfectly combine quality and environmental responsibility. Lexmark Print Cartridge Collection Program Environmentally responsible printing has never been easier.Recycle all your empty Lexmark supplies by letting us take care of the details. It's easy, smart and free. Lexmark Return Program Cartridges The Lexmark Return Program for Ink Cartridges and Toner Cartridges provides customers with patented cartridges at a special price when the purchaser agrees to use the cartridge purchased once and return it only to Lexmark for remanufacturing and/or recycling. Return Program Cartridges are licensed for one-time use only and cannot be used after a certain amount of toner/ink has been returned.A varying amount of toner/ink will remain in the cartridge when it needs to be replaced. The cartridge is designed to automatically update the printer memory to provide protection against counterfeit and/or unauthorized third-party cartridges/cartridges.