You need both for the i2400 to function as Kodak intended. This is why the combined search term "Kodak i2400 scanner driver smart touch download" is so common.
Key hardware features include:
Write down your serial number (located on the bottom of the scanner) before downloading. Some international sites may require it for validation. kodak i2400 scanner driver smart touch download
The installer will pause and display: “Please connect your Kodak i2400 scanner to the computer and turn it on.” You need both for the i2400 to function as Kodak intended