Amazon.com: Compatible Brand Toner Replaces Lexmark 64035HA High Yield Toner For Lexmark T640, 642, 644 Printers - This Is The High Yield 21,000 Page Cartridge : Office Products
Amazon.com: MICR Toner International Compatible Magnetic Ink Cartridge Replacement for Lexmark T644 T64435XA T Series T644 T644dn T644dtn T644n T644tn : Office Products
Black High Yield Toner Cartridge Compatible with Lexmark T642 (V7290)