Cartridge prices starting at $29.99

When it’s time to replace the toner cartridge and the drum unit on your Brother MFC-8840D, there are lots of options available online. But you have to carefully consider the quality of the products that you’re getting. Buy only from a reputable online seller like Carrot Ink—we have been providing our clients with high-quality compatible cartridges and printer supplies since 1998. Our Brother TN570 Black High-Yield Compatible Toner Cartridge fits and works just like the original but costs far less. You can hardly tell any difference when it comes to print quality, so why settle for a ridiculously priced genuine cartridge? Get a compatible toner cartridge and drum unit here now!

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How to Replace Cartridge(s)

  1. Open the printer cover.
  2. Slide the drum unit out of the printer. Then, hold down the lock lever on the right part of the printer to get the old toner cartridge out of the drum unit.
  3. Remove any packaging materials used to cover the new toner cartridge.
  4. Shake the cartridge lightly back and forth several times to distribute the toner evenly.
  5. Remove the protective cover of the cartridge.
  6. Install the new cartridge in the drum unit until it clicks into place. The lock lever will automatically lift.
  7. Lightly slide the blue tab from side to side several times to clean the primary corona wire. Put the blue tab back to the home position.
  8. Reinsert the drum unit and toner cartridge assembly.
  9. Close the printer cover.


Frequently Asked Questions


What to do if my printed pages have quality issues after replacing the toner cartridge?

If you experience any issues with print quality, call or message us to notify about the problem. We need to know the specific issue that you encountered so we’ll know how to assist you. But if the problem is on our product, we will offer you free return and replacement as long as it’s within 365 days of purchase.


How can I avail your free shipping offer?

When you spend a total of $40 or more on our products, shipping is on us. 


What is your standard shipping rate?

Standard shipping rate on orders below $40 is $3.95 but only for the 48 contiguous states. For Alaska, Guam, Hawaii, and other U.S. territories, a flat rate of $24.99 will apply.