Premium 50F1U00 (Lexmark #501U) Black Toner Cartridge fully compatible with the Lexmark MS510, MS510dn, MS610, MS610de, MS610dn, MS610dte, MS610dtn. The use of compatible supplies does not void your printer warranty. (50F1U00, Lexmark #501U, Lexmark#501U, 501U)
Lexmark 50F1U00 (Lexmark #501U) Ultra High Yield Black Toner Cartridge is designed to perform in the Lexmark MS510, MS510dn, MS610, MS610de, MS610dn, MS610dte, MS610dtn