The error "Scan mode is not selected" while using CaptureOnTouch indicates that when you attempted to scan, the Document Type was not selected first (Step 1).
Solution
To correct this error, follow these steps to scan using CaptureOnTouch (v3 or v4):
1. Select the Document.
2. Select your output.
3. Select the green "SCAN" button to initiate the scan sequence.
