Lexmark T640, T642 and T644 supplies are designed for the highest quality output, performance and easy installation, from the first page to the last. Lexmark T640, T642 and T644 supplies are not compatible with other Lexmark Printers. For use with Lexmark T640, T640n, T640dn, T640dtn, T642, T642n, T642tn, T642dtn and T644, T644n, T644tn, T644dtn printers.Compatible Printers: Lexmark Optra T 640 DN, Lexmark T 642, Lexmark Optra T 644, Lexmark T 644, Lexmark T 640 DN, Lexmark T 642 N, Lexmark Optra T 642 N, Lexmark T 640 N, Lexmark Optra T 640 N, Lexmark Optra T 644 TN, Lexmark T 640, Lexmark Optra T 640, Lexmark T 644 TN, Lexmark Optra T 644 DTN, Lexmark Optra T 644 N, Lexmark T 644 N, Lexmark Optra T 642, Lexmark T 642 DTN, Lexmark T 642 TN, Lexmark T 644 DTN, Lexmark T 640 DTN, Lexmark Optra T 642 DTN, Lexmark Optra T 642 TN, Lexmark Optra T 640 DTN, Lexmark Optra T 640 TN,…