Hi again,
To locate the Long Docment mode perform the following steps:
1. Click the Start Button, and then Click "All Programs", "Canon DR-F120" and "Canon imageFORMULA Utility.
2. Click "Canon DR-F120" and click "Properties".
3. Select a Long Document mode.
4. Click OK.
If you continue to have difficulties, please contact our support group using the following link:
http://Canon.us/ContactLI