Lexmark T640tn Toner

Cartridge prices starting at $114.95

The Lexmark T640TN is a reliable monochrome laser printer with impressive features. One, it offers fast printing speeds of up to 35 pages per minute with the first page out in approximately 6 seconds. Two, it's designed with an intuitive operator panel with “Show Me” graphics to assist users. And three, it comes with a convenient Direct USB port on the operator panel for easy direct printing of PDF files. But all these features will be useless if your Lexmark T640TN is out of toner. Get a high-quality but more affordable replacement Lexmark toner cartridge here at Inkjets. We've got the Lexmark T640 / T642 / T644 (64015HA) Remanufactured Black High-Yield Toner Cartridge at up to 30% less than the cost of its OEM counterpart, so you can get more prints without spending much. Buy here now!

Shop Cartridges for T640tn

Request a quote for


Need a Proposal or Have a Question? Please fill out the form below
and one of our aerial experts will be in touch immediately.

1 Item

per page
Set Ascending Direction

How to Replace Cartridge(s)

By following this basic step-by-step guide, you will be able to replace the toner cartridge on the Lexmark T640TN:

  1. Begin by opening the upper front door. Afterwards, open the multipurpose feeder by pressing the outside release latch.
  2. Open the top front cover. To do this, push the inside release latch.
  3. Grasp the handle on the old toner cartridge, and then lift the cartridge straight out of the T640TN.
  4. Make sure to clean the shaded areas with a clean, lint-free cloth  while being careful not to touch the transfer roller.
  5. Unbox the new cartridge, and then remove it from its protective bag.
  6. Distribute the toner. You can do this by gently shaking the cartridge several times.
  7. Install the toner cartridge into the machine. You will hear a click once it secured.
  8. Close the multipurpose feeder door before closing the upper front door.

Frequently Asked Questions

Why is it necessary to have a spare replacement Lexmark T640TN toner cartridge on hand?

When the toner cartridge runs out of toner, print quality is no longer satisfactory. So, it pays to have a replacement Lexmark toner cartridge on hand to avoid any printing downtime. Simply remove the spare cartridge from its packaging and install it once the old empty cartridge is removed from the T640TN.

Can I get free shipping with my Lexmark T640 / T642 / T644 (64015HA) Remanufactured Black High-Yield Toner Cartridge order?

Yes, as long as the product is shipping to any of the 48 adjoining states. We usually waive the shipping fee on US contiguous orders $30 or up.

Do you ship orders the same day or the next business day?

We do ship orders the same day if the order is placed before 3:00 PM PST Monday to Friday and if it is readily available.