Press [Original Feed Type].
Press [Batch] or [SADF].
Press [OK].
For more details about procedures, see Scanning Multiple Pages of Originals as One File.
If [SADF] is selected, scanning starts as soon as you place additional originals in the ADF. However, in the following cases you must press [Start] to start scanning additional originals.
After scanning additional originals using the exposure glass
After changing settings while waiting for additional originals
After opening/closing the ADF