If your printer is showing offline status and you want to change printer<a href="https://sites.google.com/view/removeofflinestatusforprinter/">remove offline status for printer</a> then here is a complete guide you have landed upon.
Select Control panel (Windows Search bar on the taskbar and type control panel and click it)
Click Devices and Printers.
Find and right-click affected printer.
Click Printer and see Use Printer Offline is enabled.
Select Disable if it's enabled.
Close all open windows.