Average continuous page yield (black) in simplex mode up to 4,500 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. It is therefore essential for the performance of Lexmark printers. High capacity Maximize your savings and rely on the top quality of original toner cartridges from Lexmark. In contrast to standard capacity cartridges, high capacity cartridges are characterized by lower costs per page and a higher page yield. Perfect for use in high-volume environments. Optimal interaction Original Lexmark consumables are designed to work optimally with your Lexmark printer and deliver excellent print quality from the first to the last page. Lexmark print cartridge return program Environmentally conscious printing has never been easier. Recycle all your empty Lexmark supplies by letting us handle the details - simple, smart and free. Return for recycling Lexmark offers customers a wide range of laser toner cartridges and recycling options, including easy return to Lexmark. Use only genuine Lexmark supplies for best results.