When you find that your printer is not working then you should try to reach the solution. In order to resolve the printer flaw, you can follow the instructions given here or call on HP printer customer care number.
1. Clear all stuck print jobs from your computer.
2. Then press the power button and turn it off.
3. After that wait for 5-10 minutes.
4. Then turn on the printer and send a test print to know the printer is working well.
visit here: hp printer customer support