- Part Numbers: Lexmark 521X Black.
- Printers: MS711, MS711DN, MS811, MS811DN, MS811DTN, MS811N, MS812, MS812DE, MS812DN, MS812DTN.
- Estimated page yield: 45,000 pages.
- Includes (1) 521X Ultra High Yield Black toner cartridge, certified to work.
- AOS cartridges are carefully designed to offer reliable compatibility and outstanding prints. No streaks, no fading, no leaking. High quality guaranteed.