I have installed an HP LaserJet Pro M452nw onto one of my schools SSID. The purpose of this printer was to be 100% wireless and connect to Google Cloud Printing. I have success attached the printer to the network with no problem but the HP ePrint function won't work/connect. This feature does work the second I plug into the LAN network so it's defintly an wireless issue. My first thought was to check ports and Hp recommends to open 5222 and 5223 which I believe i'm configureing correctly. I also checked the show datapath session table for the printer IP address and it shows traffic and ports but nothing is being denied. Also this SSID has zero filter policys. 