Compatible Lexmark 60F1X00 (601X) Extra High Yield Toner Cartridge for MX510, MX511, MX610, MX611
Lexmark MX511DE Printer - JTF Business Systems
Toner Bank Compatible Lexmark 601 601H 60F1000 60F1H00 High Yield Black Laser Toner Cartridge for use in MX310dn, MX410de, MX510de, MX511de, MX511dhe, MX511dte, MX610de, MX611de, MX611dhe, & MX611dte - Walmart.com
Amazon.com: Lexmark MX511 (60F1000) Black Toner Standard Yield (2,500 Yield) : Office Products
Lexmark MX511 (500Z) Return Program Imaging Unit (60,000 Yield) - Newegg.com