I now have PhotoShop CS5 in file import my printer is not mentioned as it was in CS 4 or older version to scan for printer I have to use CS4 which is ok but did they change something yes I can use WIA but that's not what I want, I look first didn't see anything on this so putting this out there.
You need to go to your hardware vendor and download a driver that is updated for CS5... especially if you are using the 64bit CS5