There are several occasions when your HP printer is well-connected to power cable and pc, still it does not print clearly. If your HP Printer Won't Print, there might be a paper jam issue. To find out the same, just check whether toner cartridges or ink are not empty. Also, check and get confirmation your USB cable is properly connected. Apart from that, if you are still getting the same, you will have to take help from the professional. They will assist you by fixing such kind of problems with optimum ease.