Downloading and Installation of HP Print and Scan Doctor You can best diagnose and resolve the HP Envy 4500 Offline error with the HP print and scan Doctor Tool. This diagnostic tool can automatically fix the errors and enable you to print the documents effectively. Print and Scan Doctor application can be downloaded and installed for easy diagnose of the printer Offline error You can download and install the app on your PC with Windows 8 OS or higher version. Try launching the application and then the too start diagnosing the offline issues of the printer. You can utilize the troubleshooting techniques provided by the HP Doctor Tool. Reopen the app and then search for the printer model and then check if the printer is online. You can check if the Ethernet cable connected with printer device, PC is intact Make sure the connection with the router is reliable and working. Similarly, you can ensure the USB cable and the appropriate ports if it is connected using the direct USB connection method. You can also try connecting the HP Envy 4500 Printer, PC and the router manually. Check for the Warning indications on the HP Envy 4500 printer control panel. In case if the issues persist or you are having difficulties in handling the troubleshooting techniques for the HP Envy 4500 Printer Offline issues, you can call us @ +1-888-214-1820. Or for more troubleshooting tips or instance assistance visit our site.