This seems to be a common problem with the School District in our PNW mailing list, and I thought I would share this here. Recently our Google Cloud Print Printers have been graying out as "Offline for more than a month! We have tested the ports 5222 and XMPP/Jabber is available on our firewall and content filters. It's not a cup of non-tech tea to get those printers back online. To boost the resolution process, you need to uninstall and reinstall the compatible printer driver on your Windows, and then connect it to the Google Account to retry printing via the Cloud Print service. In view of this troubleshooting process, you can go through the details below. Click the page to read the complete article and find the right solution.