If your HP computer that came with HP Printer Assistant is not working. Click the icon in the taskbar, or do a Windows search for HP Printer Assistant to open the tool. Learn how to install or update HP Printer Assistant. Download HP Printer Assistant from Assistant, then follow the instructions to install it on your computer.

1.Check Your Printer's Error Lights. 2.Clear the Printer Queue.3.Solidify the Connection. 4.Ensure You Have the Right Printer. 5.Install the Drivers and Software.6.Add Printer.
Turn on the printer.
If your printer is connected to the computer with a USB cable, disconnect the cable from the printer. The software installation prompts you to connect the cable if needed.
Go to HP Customer Support - Software and Driver Downloads.
If a Let's identify your product to get started page displays, click Printer, type your printer model number, and then click Submit.
The software results page for your printer displays with the default operating system selected.
If you need to change the operating system, click Change, select your version, and then click Change.
Under the Driver heading, click Download.
During the installation, select the Typical or Recommended type of installation when prompted by the software installer.
Let me know if this helps.
Regards,
Bruce