Before you do other things you can try for this, you just need to unwind your printer and examine the status of the printer, as though there is printing job in a line or printer goes to ideal state and so forth it will be restored and reconnection will start your HP printer. Meanwhile also check wi-fi connection and wired interconnection, whatever is connecting your printer with the computer it must be properly checked and configurations should be configured properly.
Run HP Print and Scan Doctor for Connection Check
HP Print and Scan Doctor is a totally free tool to troubleshoot printing photos related various issues. In case you do not have this tool, then download and run HP print and check out a doctor from HP website and automatically run the troubleshooting process to fix the problem. If you need assistance to download this tool, then get HP Printer Support Number for quick help. This Scan Doctor tool is very competent and helps to resolve printing related various issues itself.