Lexmark 78C0D10 Black Developer Unit is designed to perform in the Lexmark CS421dn, CS521dn, CS622de, CX421adn, CX522ade, CX622ade, CX625ade, CX625adhe.
Lexmark 78C0D20 Cyan Developer Unit is designed to perform in the Lexmark CS421dn, CS521dn, CS622de, CX421adn, CX522ade, CX622ade, CX625ade, CX625adhe.
Lexmark 78C0D30 Magenta Developer Unit is designed to perform in the Lexmark CS421dn, CS521dn, CS622de, CX421adn, CX522ade, CX622ade, CX625ade, CX625adhe.
Lexmark 78C0D40 Yellow Developer Unit is designed to perform in the Lexmark CS421dn, CS521dn, CS622de, CX421adn, CX522ade, CX622ade, CX625ade, CX625adhe.