This is the most common problem for nowadays. it usually happens when devices are unable to sync with brother printer in the same network.
In this case, you can easily get rid of brother printer says offline problem using the techniques given below:
- Remove your brother printer property from the devices on which your brother keep going offline.
- Now power off your brother and devices for one minute, and then power it back on.
- Now try to add your printer into the same devices again.
After doing this you will get rid of brother printer says offline problem.