Xerox DOCUMATE 252 - Manual (Page 103)

Scanning with the TWAIN Interface from PaperPort
98 DocuMate 252 Scanner User’s Guide
The final Setup window opens to let you know the setup
process is finished.
10. Click Finish.
PaperPort is now setup for the scanning option you selected (in
the example above, it’s the TWAIN option) and the Scan button
on the PaperPort window will now become active.