If your the HP laserjet 1320 Error light on your devices as soon as possible. To avoid disruptions, make sure you carefully follow the instructions. If your wireless status blinks slowly and the signal bar's strength indication channels through the signal bar, the printer is hunting for a wireless connection. Learn how to fix the hp laserjet 1320 error light on your HP printing device in a few simple steps. Before you try to fix the problems, make sure you check your internet connection. Follow these steps to fix the problem:- Turn off antivirus software and the firewall. Go to the HP Customer Support website. ... Download and install the latest version of HP Support Assistant. Restart the computer to complete the installation process. ... Click the HP Support Assistant icon to open the application.