Setting up your HP Envy 5660 printer is not a task any more. It is an easy process and more feasible now because of the online HP Envy 5660 Printer Manual that you can download from anywhere and at any given time. This printer is not only cost-effective but also very easy to use. However, besides the good quality, the printer also encounters some issues. People often ask, “Why Does My HP Envy 5660 Keeps Going Offline?” There is no particular reason as to why it happens. But to fix the issue, you can try clearing any print jobs. Also try to set the printer to online by going to the settings and then Printers. Right-click on the printer and select ‘Use printer online’. If that do not work, try restarting the computer or reinstall the printer. These troubleshooting techniques works pretty well for the users. Try them and see if the issue has been resolved.