Plug in the scanner and then turn on the computer.
Unplug the scanner and turn off the computer. Then check the connection between the scanner and the computer.
Make sure that EPSON Perfection 2400 is selected as the TWAIN or Import source in your application.
In Windows, open the Device Manager menu, then make sure your scanner's name appears under Imaging devices hardware type without a question (?) or an exclamation (!) mark. If the scanner appears with a question (?) or an exclamation (!) mark, or as an Unknown devices hardware type, uninstall EPSON Scan. Then reinstall it following the instructions in your Start Here sheet.
WindowsXP and Me: Check if your scanner's icon appears more than once. To check, double-click the Scanners and Cameras icon in Control Panel. Remove your scanner's icon from the window, then reinstall EPSON Scan following the instructions in your Start Here sheet.
Windows98 and 2000: Check if your scanner is listed more than once in the Scanners and Cameras Properties dialog box. To view the dialog box, double-click the Scanners and Cameras icon in Control Panel. Remove your scanner from the list of installed devices, then reinstall EPSON Scan following the instructions on your Start Here sheet.
Make sure your computer meets the memory and other system requirements specified for the software you are using.
Make sure the computer has enough memory for your software. If the computer does not have enough memory available, see your software and computer documentation for details.