epson.com wrote "Download and install the Windows Vista version of Epson Scan from the Epson website." for the scanner in Windows 7.
Did you try that?
http://www.hamrick.com/vuescan/epson_stylus_cx3650.html claims their scanner software works but do drop them a line.
Bob
I have checked with the Epson website and managed to get the printer working but they do not have a scanner/photocopier driver for Windows 7. Is there any way I can get these functions to work on this printer?
I am using an Acer 5635Z 64bit laptop.

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