Oracle Document Capture - Marking an image as "Scanned"

We currently manually scan and automatically scan documents using the Oracle Import Server. We are trying to find a way to mark an image to show that a document has been scanned (e.g scanned on xx/xx/xx) so that if a user prints an image we know if it has been scanned already.

We have tried setting on the watermark properties on the Oracle Document Capture printer but this has not worked.

We have also found that there are  Scan for ISIS events such as ScanSetAnnotatetext and BatchNoteAdded but have not been successful in getting any of these to work.