If your printer is showing as offline, it could be due to various issues such as a poor connection, incorrect settings, or outdated drivers. First, ensure your printer is properly connected to the network or via USB. Check the printers status in the control panel or printer settings on your computer. Restarting both the printer and your computer can help resolve connection issues. Also, make sure the printer is set as the default device in your systems printer settings. For additional troubleshooting steps, visit 123.hp.com/setup for guidance and to ensure your printers drivers are up-to-date.