Bring professional quality to all your printouts when you use this black toner cartridge. The extra-high-yield capacity means fewer toner changes, saving you time, while the rich color delivers crisp text and sharp lines. This Lexmark toner cartridge works with select Lexmark laser printers, allowing for effortless installation. Return Program Cartridges are sold at a discount vs the price of regular cartridges, in exchange customer agrees to use the cartridge once and return it to Lexmark for remanufacturing or recycling. Innovative shake-free print system. Trust genuine Lexmark toner cartridges to provide outstanding print quality for all your documents. Compatible with: Lexmark MS811dn, MS811dtn, MS811n, MS812de, MS812dn, MS812dtn. Use and return toner cartridges are specially priced for customers to use once, and are not to be refilled or remanufactured. Compatible with: Lexmark models: MS812de, MS812dn, MS811dn, MS812dtn, MS811n, MS811dtn. Unison™ toner's unique formulation consistently delivers outstanding image quality, ensures long-life print system reliability and promotes superior sustainability. Print technology: Monochrome laser. Extra-high-yield toner cartridge yields up to 45,000 pages. The package includes one black toner cartridge. Unison toner's unique formulation consistently delivers outstanding image quality, ensures long-life print system reliability, and promotes superior sustainability. Prepare for big print jobs with this Lexmark extra-high-yield black toner cartridge. Safety Data Sheet