Hi,I'm sorry about the issue. What's the model of the new xfinity modem?Do you see a WPS (Wi-Fi Protected Setup) button on the new modem?Do you have windows xp, vista, or 7, or 8, 10?Can we do a remote support session, so I can troubleshoot the issue directly on your computer together with you?Please reply at the box below. Thank you,
Hello. My name is ***** ***** I can help you, if you are still having problems connecting your Canon printer to your Xfinity modem.