Average combined continuous page yield (CMY) in single-sided mode up to 5,000 standard pages;declared value according to ISO/IEC 19798. Unison toner The unique composition of Unison toner delivers consistently high image quality, ensures longevity and reliability of the printing system and ensures unique sustainability - all in an innovative "shake-free" printing system - and is therefore essential to the performance of the Lexmark printing system. High capacity Maximize your savings and rely on the top quality of Lexmark original toner cartridges. High capacity cartridges are characterized by lower cost per page and higher page yield than standard capacity cartridges. Perfect for use in high-volume environments. Lexmark print cartridge return program Eco-conscious printing has never been easier. Recycle all your empty Lexmark consumables by leaving the details to us - simple, smart and free of charge. Lexmark return print cartridges The Lexmark return program for print cartridges provides customers with patented print cartridges or print cartridgesat a special price if the purchaser agrees to use the cartridge or cassette purchased once and to return it only to Lexmark for remanufacturing or recycling. The patented cartridges or cassettes are licensed for one-time use only and cannot be used again after a certain amount of ink and/or toner has been dispensed.A varying amount of ink and/or toner may remain in the cartridge or cassette when it needs to be replaced. Replacement cartridges or cassettes are available but are not sold under these terms. Optimal interaction Genuine Lexmark supplies are designed to work optimally with your Lexmark printer and deliver excellent print quality from the first to the last page.