Cartridge prices starting at $22.99

The Brother MFC-7860DW Compact Monochrome Laser All-in-One Printer is made for small offices. It can print, scan, copy, and fax, and it prints up to 27 pages per minute, with output up to 2400 x 600 dpi. Amazon users give this printer 3.3 out of 5 stars. They like its print quality and fast printing speed. (Hint: Leave it to your friends at Carrot Ink to carry compatible Brother TN450 toner and DR420 laser drum units for this printer at a whopping 70% less than genuine Brother toner and drum units. Feel free to contact one of our customer service representatives via phone or chat if you’ve got any questions.)

Shop Cartridges for MFC-7860DW

4 Items

Set Ascending Direction
per page

How to Replace Cartridge(s)

  1. Turn on the power of your Brother printer.
  2. Open the front of your printer.
  3. Reach inside and grasp the handle of the drum unit and toner cartridge.
  4. Pull them out of the printer.
  5. Push down on the green lever on the front bottom left corner of the drum unit and pull out the toner cartridge.
  6. Take the new toner cartridge out of its wrapper and remove the plastic tape.
  7. Insert it into the drum unit and put both of them back into the printer.
  8. Close the front of the printer.


Frequently Asked Questions


What to do to stop this ‘Drum Error’ message from appearing?

Okay, there are three ways to deal with that ‘Drum Error’ message. The first one is to check if the corona wires are dirty. If they are, then clean them to fix the issue. If not, let’s move to the next trick. Try checking if the toner cartridge and drum unit assembly is installed correctly inside the printer. If it is, then the last possible step would be to replace the drum unit because the error simply means the drum unit is at the end of its service life.


When my Brother MFC-7860DW printer says, ‘Prepare New Toner Cartridge’, does it automatically mean that the cartridge has reached its end of life?

Not necessarily. The ‘Prepare New Toner Cartridge’ error message indicates that the toner cartridge is approaching the end of its service life but has not reached the end yet. So, you may continue printing provided that the print quality is still acceptable.


When the printing on the page is faded, does it mean I need to replace the old cartridge soon?

Not necessarily. A cartridge that’s running low on toner is not the sole reason why the print result is faded. It could be that the ‘Toner Save Mode’ is on, so you get lighter printouts and at times faded.  You may change the setting by turning the ‘Toner Save Mode’ off, and then try removing the cartridge and give it a few shakes to distribute the remaining toner evenly.