Are you looking to fix the Brother Printer offline on how to turn online on your Windows 10 computer? the steps to fix the offline issue on your printer approach the steps:https://fixprinteroffline.us/brother-printer-offline/
Right-click the icon for your Brother machine > See what's printing > Printer > Use Printer Offline (remove the checkmark). If Use Printer Offline is greyed out, click Open As Administrator. Enter your administrator password, and then click Yes.