How to Add a Printer Driver in Windows 10
1. Download the Printer Driver or Add Printer Wizard Driver from https://support.brother.com. Click here for instructions on how to navigate to our downloads page.
2. Once the driver has been downloaded, you will need to extract it.
How to extract the printer driver
a. Double-click on the file that you downloaded. A ZIP Self Decompression window will appear. b. Click Browse, or type a path to the location where you'd like to save this file. c. Click Decompress . d. Click OK, once the decompression is successful. e. Be sure to note the path where you saved the file, because you'll need to know this later.
3. Based on your connection method, do one of the following:
Local connection users (USB)
a. Connect the interface cable between your machine and your computer. The cable should be no longer than 6 feet, and connected directly between the two devices. Don't use a parallel-to-USB adapter cable. b. Turn on your machine. c. Click Start → (All apps) → Windows System → Control Panel . d. Under Hardware and Sound , click View Devices and Printers . e. Click Add a printer . f. Click The printer that I want isn't listed. g. Choose Add a local printer or network printer using manual settings and then click Next . h. Select Use an existing port. i. You'll need to select a communication port. Select a port labeled USB00X (The last 3 characters will be a number) and then clickNext. j. Go to step 4. 
If the USB port is not listed, then your computer and machine are not communicating or there is a problem with your computer. Try another USB cable or other ports on the computer. Don't attempt to create a port, the correct port should be created automatically.
Network connection users
a. Turn on your machine. b. Make sure that your machine is connected to your network. c. Click d. Click View Devices and Printers, u nder Hardware and Sound. e. Click Add a printer . The computer will begin searching for an available network printer. f. Even if your machine appears in the list, click The printer that I want isn't listed g. Click My printer is a little older. Help me find it. h. Windows should locate any printer on the network. - Your computer must be on the same network as the Brother machine. - A firewall or security application may be blocking your Brother machine's communication. Clic k here fo r instructions on how to disable the Windows firewall. For other firewalls, refer to the manufacturer's instructions. - Reboot the power on your router. - Contact your computer manufacturer or network admin to troubleshoot any other network communication conflicts. i. Select your machine from the list and then click Next. Go to step 9.→ ( All apps) → Windows System → Control Panel .
This step will prevent the computer from re-adding the generic driver, which doesn't offer full functionality of the machine. 
If your machine isn't found, then your computer is not communicating with your Brother machine. Check for these common causes of communication failure and try again:
4. Click Have Disk.
5. Click Browse andspecify the location of the drivers that you extracted in step 2.
6. Click Open.
7. Click OK.
8. Select your model name and then click Next.
9. If you receive a message stating that a driver is already installed, select Replace The Current Driver and then click Next.
10. We recommend that you leave the default printer name and then clickNext.
11. Select a Printer Sharing option and then click Next.
12. You may place a check next to Set as the default printer , if desired.
13. You may select to print a test page, if desired.
14. Click Finish. The driver will now install.
You may receive a message stating: " The software has not passed windows logo testing..." If this window appears, click Continue Anyway . The installation will continue until completion.
How to Add a Printer Driver in Windows 10
Source: https://help.brother-usa.com/app/answers/detail/a_id/120508/~/add-a-printer-driver---windows-10