If you're facing a printer offline problem, here are five steps that you can try to resolve the issue:
1- Check your printer connections: Ensure that your printer is properly connected to your computer and turned on. If it's a wireless printer, check that it's connected to your Wi-Fi network.
2- Restart your printer: Turn off your printer and unplug it from the power source. Wait for a few minutes and then plug it back in and turn it on.
3- Restart your computer: Turn off your computer and wait for a few minutes before turning it back on.
4- Set your printer as the default printer: Go to your computer's settings and select your printer as the default printer.
5- Check your printer status: On your computer, go to the Devices and Printers section and check the status of your printer. If it's showing as offline, right-click on it and select "Use Printer Online" to bring it back online.