DI Toner Cartridge Replacements for Lexmark 521 52D1000 (Black, 4-Pack) — Compatible with Lexmark MS810de, MS810dn, MS810dtn, MS810n, MS811dn, MS811dtn, MS811n, MS812de, MS812dn, MS812dtn

Replacement DI black toner cartridges designed for Lexmark 521 / 52D1000 printers — sold as a 4-pack. These cartridges are built to work with the following Lexmark MS series models: MS810de, MS810dn, MS810dtn, MS810n, MS811dn, MS811dtn, MS811n, MS812de, MS812dn, and MS812dtn. Discount Inkjets branded items carry a 100% satisfaction and Lifetime guarantee for your peace of mind. Yield and storage: approximately 6,000 pages per cartridge, with a shelf life of 24-36 months per cartridge.