Microtek ScanMaker 6100 Pro User Manual page 127

Note: If you have an ADF, place a page inside the ADF
and remove any material from the scanner glass. Then
press the ADF image button to start the test.
5. To exit the Scanner Test utility, click on the Exit button.
Elements of the Scanner utility:
Scanner model
It indicates the scanner connected to
your PC and the scanner's Scanner ID
Interface Card
If you have multiple scanners hooked up to your
computer, the scanners will appear in the drop-down
menu, and choosing another scanner will update the
image button accordingly.