The Scan B&W, Scan Grayscale, or Scan Color commands will not appear in the Document Source drop-down list in the following cases:
Your scanner is being used by another application. Close all Windows applications and restart OmniPage Pro.
You did not install Caere Scan Manager or select an appropriate scanner. See Setting Up Your Scanner more information.
Your scanner is not connected to your computer or is not functioning properly.
Choose Scanner Setup Notes in the Help menu for more scanner topics.