Fujitsu ScanSnap S510M Operator's Manual page 161

6.3 Cleaning the Inside of the Scanner
3. Close the ADF.
Paper chute
ADF
⇒
You should hear the ADF click when it returns to its original position.
When closing the ADF, make sure that it is completely closed. Otherwise,
ATTENTION
paper jams or other feeding errors may occur.
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ScanSnap S510M Operator's Guide