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I am having a problem with my printer can you help?
I was using a hp 6540 on win 64 xp and it was working but when I switched to win 7 64bit I could not get it to work write. I have the unit in the back so it should print on 2 sides automatically but under win 7 nothing. It must be a driver but hp was no help, has anyone had this problem and how did you fix it?