Hii my name is Luna Fallon i am from the technical team if you are facing a problem then you can visit our site. Printers are sensitive gadgets that easily react and give a 'printer offline' message even if the power supply is a little unstable. A printer being offline is a common thing because of various situations, including WIFI, connection, and power supply difficulties. Use the following steps to get your Brother printer online from offline: Check your network connection and make sure it is stable, then restart your devices and clear all the pending jobs in the queue.