56F1000 / 56F000G Black Toner Cartridge — Compatible with Lexmark MS321 MS421 MS521 MX321 MX421 MX521 MX522 MX622 Series

Package contents: 1 Pack — 56F1000 (56F000G) black toner cartridge, replacement for Lexmark MS321 series printers. Compatibility: Works with Lexmark MS321, MS321dn, MS421, MS421dn, MS421dw, MS521, MS521dn, MS621dn, MS622de and MX321adn, MX321adw, MX421ade, MX521ade, MX521de, MX522adhe, MX622ade, MX622adhe models. Yield: Delivers up to 6,500 pages per black (Letter/A4, at 5% Coverage). Quality and support: Each 56F1000 / 56F000G cartridge is subjected to strict quality checks to confirm performance and printer compatibility. If you have any questions about the 56F1000 Imaging Unit, please contact the seller directly for technical consultation.