When encountering common installation issues on 123 HP Com Setup 3830 , follow these troubleshooting steps for a seamless setup. Firstly, ensure all connections are secure and the printer is properly powered. Verify that the software is compatible with your operating system and download the latest drivers from the official 123 HP website. During installation, disable any firewall or antivirus software temporarily to prevent interference. Restart your computer and the printer after completing the installation process.