Uninstall the current printer driver before installing this new version of the printer driver. To remove the printer driver, click "Start", "Programs", "hp deskjet 640c series", "hp deskjet 640c series Uninstall" and then follow the on-screen prompts.
Automatic Installation Instructions:
Automatic Features (available only for Internet Explorer and selected languages)
Simple. Click the INSTALL NOW button (near the bottom of this web page) for guidance through the process.
Flexible. Download only or install now.
Resumable download. If you lose your