Compatibility: Compatible for Lexmark MS321dn, MS421dn, MS421dw, MS521dn, MS621dn, MS622de, MX321adn, MX321adw, MX421ade, MX521ade, MX521de, MX522adhe, MX622ade, MX622adhe Laser printers
Page Yield: It prints up to 6,000 pages at 5% A4 paper coverage
Package Contents: 1 Pack 56F1000 Black Toner Cartridge
Easy Installation: Put in the 56F1000 toner cartridge and print immediately, the installation process is simple
Model Confirmation: In order to avoid buying the wrong model, please be sure to check whether your printer supports the 56F1000 toner cartridge before purchase