56F1000 Toner Cartridge with Smart Chip [6,000 Pages] Compatible with Lexmark 56F1000 56F1H00 Work for MS321dn, MS421dn, MS521dn, MS621dn,.

Package Contents: 1 x 56F1000 Black High Yield Toner Cartridge. This cartridge is designed for Lexmark MS321dn, MS421dn, MS421dw, MS521dn, MS621dn, MS622de, MX321adn, MX321adw, MX421ade, MX521ade, MX521de, MX522adhe, MX622ade, and MX622adhe printers. Print Yield: Up to 6,000 pages per cartridge, based on 5% coverage of letter-size documents. Newly Upgraded Chip: Compatible with the most recent firmware version for swift printer recognition and a smooth printing process