Use originals supported by the ADF.
Load originals in the correct direction, and slide the ADF edge guides against the edges of the originals.
Clean the inside of the ADF.
Do not load originals above the line indicated by the triangle symbol on the ADF.
On the screen for copy, scan, or fax, check that the ADF icon is on. If it is off, place the originals again.
Make sure that an original has not been placed on the scanner glass.