Genuine OEM Lexmark T640 dn Toners

The T640dn takes Lexmark 640 black toner in both standard- and high-yield versions. Choose standard yield when you do not need the larger capacity, or high yield when you want more toner between cartridge changes.

Toner Buzz carries genuine Lexmark 640 toner plus fuser units and roller parts for the T640dn. A low-toner message calls for toner; a fuser or roller alert calls for the maintenance part named by the printer.

Guaranteed fit for Lexmark T640 dn

The products below are genuine OEM Lexmark Supplies made for the Lexmark T640 dn.

  • OEM Lexmark Supplies
  • Fits Lexmark T640 dn
  • 15 products for this printer

High Yield Products

Standard Yield Products

Printer Supplies

Why Shoppers Choose Toner Buzz

178K+ orders shipped nationwide

58K+ happy customers served

5-star rating based on 14,000+ reviews

17+ years in business