Troubleshooting common issues in 123 HP Com Setup 6970 ensures optimal printer performance. If facing connectivity problems, verify the network connection and restart both the printer and router. Check for paper jams or obstructions if experiencing printing errors. Ensure the ink cartridges are correctly installed and have sufficient ink levels. Run the HP Print and Scan Doctor tool for automated issue detection and resolution. Confirm that drivers are up-to-date by visiting the official HP website.