Product DescriptionLexmark printers perform Best Together with genuine Lexmark supplies, giving you the advantage of consistent, reliable printing and professional quality.Flexible supplies optionsGenuine Lexmark cartridges are available in a variety of yields, types, and price points. Choose the option that works best for your unique business needs.Lexmark Return Program CartridgesLexmark Return Program cartridges are print cartridges sold at a discount in exchange for the customer's agreement that the cartridges will be used only once and returned only to Lexmark for remanufacturing or recycling. These single-use only cartridges will stop working after reaching end of the rated life established by Lexmark (a variable amount of toner may remain when replacement is required). These cartridges may also automatically update the printer memory to protect the printer from counterfeit and unauthorized products. Supplies without this single-use term are avaGeneral Information Manufacturer: Xerox Corporation Manufacturer Part Number: 77L10K0 Brand Name: Lexmark Product Line: Unison Product Name: Unison Toner Cartridge Product Condition: Original Packaged Quantity: 1 Pack Product Type: Toner Cartridge Technical Information Number of Pieces: 1 Print Technology: Laser Print Color: Black Typical Print Yield: 15000 Pages Return Program: Yes Miscellaneous Device Supported: Printer Compatibility: Lexmark Printers: CX950se CX961tse CX963se CX951se CX951se CX961se CS963e CX963xse CX962tse CX833xse CX833se MX953se Brand Compatibility: Lexmark Country of Origin: China/Poland/Mexico