Indeed, HP has established its strong and powerful image worldwide because it ensures top-quality features, advanced updates, and what not! However, there are specific technical difficulties that one faces while using HP Envy 5660 Printer. If you are stuck with any issue like that, you can simply turn it off and then turn on your printer, reconnect the power cable. If you are unable to resolve the issue instantly, all you can do is to go through the HP Envy 5660 Printer Manual.