Step 1: Requirements for HP OJ Pro 8720 USB Setup
verify the following requisites and files before you begin:
The printer is turned on and in a prepared state.
Acquire a USB cable less than 3 m in length.
If connected via a USB hub or docking station, your printer may not obtain sufficient power to operate properly.
Unplug the USB cable from the system. Do not reconnect the cable unless interrupted during the driver installation procedure.
Select devices and printers from the control panel of your printer.
Right-click on Remove device. If multiple icons occur for the 123.hp.com/setup 8720 printer, remove them all.
Close the Devices and Printers window, and then go to the next step.
Step 2: HP Officejet Pro 8720 USB Connection
Index your printer model, and then follow the instructions to download your driver.
In case a driver or HP Easy start to download, follow the guides to access the downloaded file to start the setup. When interrupted to choose a connection type, click USB Printer Setup for HP Officejet Pro 8720 USB Setup.
In case download fails or the printer is not listed proceed with these steps to install a driver from our website.
Type your printer model, if it is urged, and then verify whether the operating system version is correct.
When interrupted by the installer to choose a printer connection option, select USB to go with and complete the process.
Attempt to print, scan, or fax, liable to the printer functionality.