To correctly display the top/bottom orientation of the scanned original on a client computer, the placement of the original and the settings made in the Scanner Control dialog box must match.
Open the Scanner Control dialog box.
For details about how to open the Scanner Control dialog box, see Basic TWAIN Scanner Procedure.
In the [Original Scan Method:] list, select the place where the original is placed.
In the [Orig.Orientn.:] list, select [] or [].
In the [Orientation:] list, select [/], [/], [/], or [/].
If an original is placed in the ADF, from the drop down menu of [Scan Settings:], select [1 Sided], [2 Sided(Top to Top)], or [2 Sided(Top to Bottom)].