Troubleshooting the HP printer offline issue on your network involves several steps. Make sure the printer is turned on and linked to the network first. Verify the network connection and restart both the printer and your router. Check for any physical cable issues or wireless connectivity disruptions. Confirm that the printer is set as the default device on your computer. Run the HP Print and Scan Doctor tool for automated problem identification and resolution. Update or reinstall the printer drivers if needed.
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