In this era of technology, printers have become the most significant device for our personal and professional life. You can easily print any documents, images, and any files. Furthermore, you can also use it as a scanning device to scan any documents and images. There are many printers manufacturing companies but among them, HP is the most trustworthy one. Many people choose to use that printer for its superior facilities and good quality printing. Despite all these, there are many technical glitches which can annoy you. While you are handling any HP printer, you might come across HP Printer Error code 20.