A Brother printer may show as offline due to various reasons, such as a lost or unstable Wi-Fi connection, incorrect printer settings, or a communication issue between the printer and computer. It may also be caused by the printer being in sleep mode, a paused print queue, or an outdated printer driver. Restarting both the printer and computer, checking the connection, or setting the ... https://www.tripoto.com/trip/dacc1087-d897-11ef-a7e1-4201ac1d0034