Try one or more of the following:
For more information, see Loading cards on the scanner glass.
For more information, see the printer User’s Guide.
If you are scanning cards to a network, then make sure that the printer screen timeout is set to 300 seconds. The application scans and saves the cards to the network folder before the printer display returns to the ready state. You cannot perform any subsequent scan jobs until all the scanned output are saved on the network folder.