If your solution is configured to enable multiple input buttons, then by default all Document Type buttons are available to assign the Document Type to an document, regardless of which input button is used to scan/create the document.
You can configure an input button to restrict Document Type assignments and only allow the user to use the corresponding Document Type button next to the input button used to scan/create the document.
This setting requires that your Front Office Scanning client be configured to have multiple input buttons (i.e., the multiplebuttons setting in the ScanOptions element is set to true).
To configure an input button to restrict Document Type assignments: