I am not sure what exactly was on this installation CD, was it just for the Epson Printers or both Scanner and Printer.? All i knew is it was for Windows XP Printer software and is not compatible with Windows 8.1.
From your 1st post. Now that i reread it you never mentioned you had a driver or software for this Epson Scanner before, unless it is on this CD you mentioned.
So my recommendation was to remove, uninstall, this software and driver, then proceed to install the Epson 2400 Scanner software and driver (Windows 7 64bit one) from the Epson's site.
Self extracting i mean it will have a option through the software itself to be able to unzip it in Windows 8.1, then you can proceed with the installation of the software.
Then you plug in the Scanner, it should tell you, you need to restart the PC.
Yes sometimes support from a manufacturer are not always helpful, this is when you need to research it yourself, google it a good resource.
I was never told what models of the Printers you had to help you with that also.
I was the same as you not much knowledge of computers, but i learned as i went along with it for many years and with many trial and errors.Hope i can help you out more.
Edited by jds63, 28 March 2014 - 02:40 PM.