Lost document in feeder

They may have gone under the white pad that is on the borrom side of the feeder. it is just velcroed on so remove it and see if theey are there.
There is a very remote chance they went under the scan glass, or lift the right hand side of the feeder, where the documents normally come out and see if they are laying there some odd way.
Also they could have slid out the bottom of the feeder and drifted either under or behind the machine.