Hi Dave. Welcome to justanswer.
CLICK HERE to download the necessary software.
Connect the printer via usb cable to your computer
Then go to Control Panel- Devices and Printers.
Click Add a printer
Click Add a local printer.
Select Use an existing port (USB001: Virtual printer port for USB), and then click Next.
Click Windows Update, and then wait for the print drivers to update.
Click HP, Hewlett-Packard, or Hewlett Packard in the Manufacturer pane, and then click the name of your printer in the Printers pane.
Click Next, and then follow the on-screen instructions to install the driver.
Disconnect the printer USB cable from the computer, and then reconnect the cable. You can now use your printer.
Dave, any progress?
Is your printer connected via usb cable or not?
Dave, With Windows 7 OS, you don't require any drivers to install the printer.