Toner compatible  Lexmark CS  Lexmark CS 420 Series Lexmark CS 421 adn Lexmark CS 421 dn Lexmark CS 521 dn Lexmark CS 622 de  Lexmark CX  Lexmark CX 421 adn Lexmark CX 522 ade Lexmark CX 620 Series Lexmark CX 622 ade Lexmark CX 625 ade Lexmark CX 625 adhe Lexmark CX 625 adhs