To be able to use this document printing service at least the phone had been seconded by HTML5. Including already running Android 2.1 eclair or IOS 3 upward.
Interestingly, it was not just smartphone users who can enjoy this service, Windows PC users can enjoy this neat facility. You do this by connecting the printer to the Google Cloud Print first. Meanwhile, Mac and Linux users seem to have a little patience, the article of the new Google Print Cloud can be enjoyed in some time to come.