Success report: I scanned my US passport successfully last week at the midfield Immigration area in Terminal 1, Concourse B. Since I have been reading this thread, I knew to not push my passport too far into the scanner! Worked the first time. A Security person standing at the entrance to Immigration tried to direct me the the Non-EU Passports line, but I told her I had EasyPass and she let me go to the EasyPass gates...