On several occasions, your HP Envy Printer can go offline, such as network connectivity errors, loose wires, and you have not set HP Envy as a default printer. To fix HP Envy printer offline error, you will have to take some measures; firstly, ensure to set it as a default printer. Go to the control panel on your PC, right-click on HP Envy, select Set as Default. Further, on the same list, uncheck the option Use Printer Offline. Now restart the printing activity and check if your printer gets back online or not. If the error persists, then restart the network router or contact the internet service provider to resolve the offline printer problem.