How Do I Change My Printer from Offline to Online Quickly?
https://ansungames.com/how-to-change-printer-status-from-offline-to-online/
To change your printer from offline to online, make sure it is powered on and properly connected to your computer or network. Open your printer settings, disable the “Use Printer Offline” option, and set the printer as the default device. Restart the printer, update its drivers, and run the Windows printer troubleshooter if the issue continues.