Do you know why your HP Printer Lights Blinking? HP Printer blinking red, blue, green and orange lights due to various reasons. When your HP Printer has paper jam, Incompatible ink cartridges, low network connection and more. HP Printer technical experts has shared the troubleshooting methods to fix HP Printer lights blinking error. If you need any help to fix the issue, then contact HP Printer experts through Free Live Chat.