You can print files from storage, and then eject each set of printouts with folding.
This section explains the basic steps.
This feature is available with the optional staple finisher and saddle stitch unit.
Select Storage on the home screen.
Select the folder in which the file that you want to print is saved, and then select Open.
Select the file.
Select Print Settings.
Select the Basic Settings tab.
Select Paper Setting, select the paper source in which you loaded the paper, and then select OK.
Select the Advanced tab, select Fold > Half Fold or Tri Fold, and then enable the setting.
Specify the details as the number of sheet for fold and paper setting .
Tap 
.