You need to turn "Manual Feed" mode to "Off" in order to have the scanner feed documents in "Count Only" mode.
1. Press [Menu] on scanner.
2. Press [Left] or [Right] arrows until you get to [Manual Feed Mode], then press [Enter].
3. Press [Left] or [Right] arrows until [Off] is highlighted and then press [Enter].
4. Press [Stop] to exit menu.