Be careful when putting the sheets. I inserted accidentally take too many after the device was initially unusable because the leaf debris got stuck inside and one does not reach it for removal. The unit is not open. The many screws on the back I did not want to screw. After poking around in Papierzuführschlitz with a flat translucent paper knife the device ready for use again. Next time I buy a more expensive device with the ability to insert up to 100 sheets.
