Sue A. Davis
I was going through Printer is offline brother cause due to the firewall system.
once i turn off the antivirus, and windows firewall. I was able to print successfully.
also, Few times, brother printer keeps going offline due to the poor network connectivity. So you should place your brother printer near by the wifi router.
for brief explain, you may visit how to fix brother printer won’t print? this topic covers advanced tips to fix brother printer.