Panasonic DP-C106 - Manual (Page 67)

Setting Up the DP-C106 Installing the Scanner with ADF
1-46
6. Ensure that the front Scanner feet are placed into the round recessed
areas on the top front of the Scanner Rack.
7. Tighten the Thumb Screw, shown below, in order to secure the Scanner
to the Table Top.
8. Remove the three Thumb Screws from the left-hand side of the Scanner.
Please store these screws in a safe place, or tape them to the rear of the
Scanner Rack. The screws lock the Scanner Drive into a secure position.
You will need them if the Scanner has to be moved.