Follow the steps below to check the firmware version.

1. Start Remote Setup.
2. (Windows XP, Windows Vista®, and Windows® 7)
   Click Start, (All) Programs, Brother, [model name], Remote Setup.
   
   (Windows 8 or later)

   Click Brother Utilities, and then click the drop-down list and choose your model name (if not already selected). Click Tools in the left navigation bar, and then click Remote Setup.

    

   (Macintosh)
   Double-click the Remote Setup icon located in Macintosh HD/Applications/Brother or Macintosh HD/Library/Printers/Brother/Utilities.
    
3. Choose Machine Info in the folder tree and check the firmware version.
   The letter next to Main ROM Version represents the firmware version.