Alex didn't just run an installer. They downloaded the .zip or .exe file, extracted the contents to a folder on the desktop, and used the "Add a printer" tool in the Windows Control Panel.
If you have connection issues, you may also need to update the firmware using a tool from the HP site . draivera dlia hp designjet 500 skachat
To download drivers for your HP DesignJet 500 Go to product viewer dialog for this item. Alex didn't just run an installer
Alex went to the HP Software and Driver Downloads portal and entered " DesignJet 500 draivera dlia hp designjet 500 skachat