It is frustrating to have your printer going offline/disconnecting while doing a print job. This problem can arise in the printer due to a plethora of reasons, such as network issues, software issues, driver issues, and several others. Have you got your Brother printer in offline mode and unable to do print tasks? Get the full knowledge of how to reconnect offline Brother printers to Windows. Source : https://reconnectofflineprinter.com/brother/how-to-reconnect-offline-brother-printer-to-windows