68 Chapter 3 - Maintenance EN 5 5 Gently close the ADF lid. WARNING! To avoid damaging the product, do not allow the ADF lid to fall onto the flatbed scanner. Always close the ADF lid when the product is not in use. 6 6 Install the ADF input tray by aligning the two tabs on the input tray with the two grooves in the ADF lid and sliding the tray into the grooves until it snaps into place.