Visioneer 9450 - Manual (Page 16)

12 V ISIONEER 9450 S CANNER I NSTALLATION G UIDE
4. Plug the USB cable into the USB port on the scanner. The USB
port is identified by its USB symbol.
5. Plug the USB cable into a USB port on the computer, keyboard, or
into a USB hub.
If the plug does not attach easily, make sure that you are plugging it
in correctly. Do not force the plug into the connection.
Note: If you have not installed the software yet, unplug the USB cable
from the computer and install the software now. When the software
installation is complete a message tells you to connect the scanner.