If you have a Brother MFC-L3750CDW printer, you may wonder how to reset the toner. Fortunately, it's a relatively simple process that only takes a few minutes. All you need is a screwdriver and some patience.

Step 1: Remove All Toner Cartridges

The process of resetting the toner on your Brother MFC-L3750CDW printer starts by removing all the installed toner cartridges. This is a step that you should not skip. If you do, the printer will recognize that some cartridges are missing and will not reset correctly.

Step 2: Uncover the Reset Switch

Now you'll need to locate the reset switch on your Brother MFC-L3750CDW printer. This is a small button that is located on the right side of the printer. Remove the toner cartridge cover to access it.

Step 3: Press Reset Switch

Now you can press and hold down this reset switch for two seconds. This will initiate the process of resetting your Brother MFC-L3750CDW printer.

Step 4: Install New Toner Cartridges

As soon as you release the switch, you'll need to install two new toner cartridges in your Brother MFC-L3750CDW printer. These are the standard TN450 toner cartridges.

Step 5: Close Cartridge Cover

Finally, close the cartridge cover on your Brother MFC-L3750CDW printer and wait until the "Toner Life End" message disappears from your computer screen. And that's it! You have just successfully reset your Brother MFC-L3750CDW printer and are ready to go back to work.