A greener option for office printing needs, the Lexmark 601H High-Yield Return Program Toner Cartridge in Black is recommended for large workplaces with significant and frequent printing requirements. With a capacity of up to 10,000 pages and the use of Unison Toner for consistently high-quality results, this cartridge offers a smooth and reliable printing operation. Once depleted, it can be returned and recycled through the Lexmark Cartridge Collection Program. Black toner produces sharp, professional documents Yields up to 10,000 pages Cartridge is part of the Lexmark Cartridge Collection Program to be returned and recycled, making it a more eco-friendly choice Unison Toner is sustainable and provides consistent image and text quality for professional results on every page Cartridge is made with quality components, is shake-free and low-friction to keep the printing system running smoothly Compatible Printers: MX310dn,MX410de,MX510de,MX511de,MX511dhe,MX511dte,MX610de,MX611de,MX611dhe,MX611dte