Lexmark 36S2910 Paper Tray is designed to perform in the Lexmark MB2442adwe, MX622ade, MX522adhe, MX321adw, MX321adn, MX421ade, MB2338adw, MX522dhe, MX622de, B2442dw, MS421dw, B2650dn, MS622de, MX622adhe, MB2546adwe, B2650dw, MS321dn, MB2650adwe, MS421dn, B2338dw, MS521dn, B2546dw, MS621dn, MX521de, MX521ade.