Hello fred3,
I searched the Knowledge-base and found some steps for you to change the default of the Customizable Apps like the One-Touch App:
Customizing App Default Settings
To customize the App default settings:
You can find the FULL SOLUTION HERE.
We just set up a 1-step button on the control panel for scan to folder.
It works but we are getting 2 files instead of 1 file.
????