• Lexmark T640 Toner - 64015HA, 64035HA, 64004HA - This Lexmark T642 toner, Lexmark T644 toner is a high yield version of 64015SA, 64035SA. Print Technology: Compatible Lexmark T640 T642 T644 Cartridge.
• Print Color: BLACK.
• Page Yield: 21,000 @ 5% coverage, high yield.
• For use in Lexmark T640, T640dn, T640dtn, T640n, T640tn, T642, T642dn, T642dtn, T642n, T642tn, T644, T644dn, T644dtn, T644, T644tn laser printers.
• Replaces part numbers 64004HA, 64015HA, 64015SA, 64035HA, 64035SA, 64075HA, 64075SW.

This is a compatible cartridge, not a brand name cartridge. Any use of a brand name or model is made solely for purposes of demonstrating compatibility.