HP printers are also surrounded by lots of error or issues just like any new technology. You get frustrated, whenever you need to print an important document and your printer doesn’t respond to your command. One of the most common issues that leads printer to not print is dirty or bad print head. A dirty print head affects the connection between printer and print cartridge. To make the connection between them or to clean a print head, you may need some additional assistance which you can take after dialing HP Printer Tech Support Number. However, you can automatically clean print heads from its control panel and with the help of HP solution center.