Troubleshooting Envy 6255 Printer is very simple. There could be only certain mistakes for the printer, not printing problem. Logging on to 123.hp.com/setup 6255 will give you a very clear answer. First, make sure all your wires are connected. Any loose connections could also be a bigger reason. Check if the HP Envy 6255 Printer is on by looking at the white light that will glow only if the printer is on. If the light blinks faster, the mistake could be in the wireless network that you are using. In this case, refer to the printer’s display for messages. Navigate to 123.hp.com/setup 6255 and find if all the requirements are satisfied. If the problem persists, look at the glowing light. Meager mistakes could stop us from printing, so ensure everything before starting. You can also call the customer support @ +1-888-214-1820.