There server is down at the mo, but thanks for the nudge, going into the devices and printers on Windows 7, looking in detail at the
driver options, it would seem that it hadnt picked up the fact that I had a duplexer. There is an option to select it as installed. And great it now prints both sides, what a great forum this is. Good to have another lateral thinking opinion. Pity Epson support didnt know the answer! Thanks again. M