Upgrade your printer's performance with the Lexmark 801HK High-Yield Return Program Toner Cartridge in Black. Designed to be used with select Lexmark printers, this unique toner cartridge utilizes Unison Toner for a shake-free, low-friction operation that maintains smooth system functioning. The rich black toner yields sharp and sustainable results, and can easily be returned to Lexmark for recycling, making it a green choice for offices and other high-volume printing environments. Black toner produces sharp, professional documents Yields up to 4,000 pages Cartridge #: 80C1HK0 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:CX410de,CX410dte,CX410e,CX510de,CX510dhe,CX510dthe