Press [Original Settng].
Press [Original Size].
Specify the original size, and then press [OK].
Select original orientation.
Press [OK].
Press [Auto Reduce / Enlarge].
Select the paper tray.
Place the originals, and then press [Start].
To copy A5 (51/2 × 81/2) originals onto A5 (51/2 × 81/2) at 100%, select the paper tray that contains A5 (51/2 × 81/2) , and then select [Auto Reduce / Enlarge]. The machine rotates the original image by 90 degrees.
For details about the base point, see Reducing or Enlarging Originals.