Scanner assemblies Flat lid or ADF assembly The scanner cover is either a flat lid or an Automatic Document Feed (ADF) assembly. Removal of the ADF assembly is pictured here. 1 Open the cover 2 Slide up the two hinge-tab locking shims (callout 1). Note The flat lid has no hinge-tab locking shims. 3 Slightly close the cover while lifting up to gently remove it. 21 Figure 31. Removing the ADF assembly EN Scanner assemblies 119