Ok, I think I finally got this working! I found this page
http://www.nickles.de/forum/drucker-scanner-kombis/2012/epson-perfection-1240u-unter-windows-8-64bit-538955665.html which seemed to help. It's in German, but Google Chrome can translate it pretty well.
Basically uninstall your 1240 drivers and software. Then, oddly enough, install the drivers for Epson Perfection 2400 (not 1240).
I then went to Device Manager and under Imaging devices there was a EPSON Perfection entry. So then I right-clicked on Properties, Driver..., Update Driver...
Browse My Computer for Driver Software
then Let Me Pick...
then I had to uncheck the box for Show Compatible Drivers,
then chose Epson Perfection 2400. (Again, not 1240)
After a restart of Windows, I can now scan from my Perfection 1240U in Windows 8 64-bit!
(There's also a program called VueScan which worked, but unless you purchase the product it puts an annoying watermark on each scanned image).
Did this solve your problem?
Sorry this didn't help.
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Thank you for posting your question on Microsoft Community!
After going through your description, it appears that you need more information regarding Epson perfection 1240u installation.
Install the Epson perfection 1240u in Windows 7 compatible mode.
I would suggest you to download and install the Windows 7 compatible driver in compatibility mode.
You can download the driver from the following link.
Epson perfection 1240u
Hope the above information helps. Please do let us know if you need further help, we'll be happy to assist you!
11 people were helped by this reply