Firstly, pick System Preferences from the Apple tab. Second, click the Printers & Scanners, Print & Fax, or Print & Scan tab. Click Reset printing system & Reset in the Printers window by performing a right-click (or Control + Click). Moreover, log in using the admin username and password. Re-add the printer to the list after that, then try printing. As a result, the problem of How to Bring an Offline Samsung Printer Online can be resolved quickly.