You can copy originals at a specified magnification.
Place the originals.
If you want to copy multiple originals, place all of the originals on the ADF.
Select Copy on the home screen.
To select an item, use the 
buttons, and then press the OK button.
Select the Advanced Settings tab, select Reduce/Enlarge.
Specify the amount of enlargement or reduction, and then select OK.
Press the 
button.