Toner Cartridges for Lexmark Printers from Xerox deliver brilliant image quality and excellent reliability at a low cost. Compared to the original Lexmark toner cartridge, you’ll get better or equal page yield, pay significantly less, and receive 100% lifetime warranty. Get more, pay less, without risk. Satisfaction is guaranteed.Compatible Printers: Lexmark T 642, Lexmark Optra T 640 N, Lexmark T 642 TN, Lexmark Optra T 642 N, Lexmark T 640 DTN, Lexmark Optra T 642, Lexmark Optra T 642 TN, Lexmark Optra T 642 DTN, Lexmark T 642 DTN, Lexmark T 642 N, Lexmark T 640 DN, Lexmark T 640, Lexmark Optra T 640, Lexmark Optra T 640 DTN, Lexmark T 640 N, Lexmark Optra T 640 DN, Lexmark Optra T 642 DN, Unisys UDS 540-N 11, Lexmark Optra T 640 TN, Lexmark T 642 DN, Lexmark T 640 TN