Creating a Booklet from a Sheet Original
1
Tap [Create a booklet] on the home screen.
The [Create a booklet] position varies depending on the customization status of the home screen. By default, access from [Useful Apps] on the home screen. For details on [Useful Apps], refer to Accessing all the function keys.
2
Select [Sheet], and tap [Next].
3
Select whether the original is [1-Sided] or [2-Sided], and tap [Next].
4
Load the original into the ADF.
5
Select the size of the loaded original, and tap [Next].
6
Select the finishing type (booklet opening direction), and tap [Next].
7
Select the finishing size, and tap [Next].
Some finishing sizes cannot be selected depending on the size of the loaded original.
8
Set copy options as needed.
9
Check the finishing image.
To change the finishing, tap [Previous].
10
Use the Start key to start copying.
in the upper-right of a page, it turns into 
and is registered as a bookmark.