- OKI USER'S GUIDE Colour Printer C7100/C7300/C7500

OPERATION > 113
Click on the [Advanced] tab, [Printing Defaults] button, then
[Layout] tab.
3.
Select Flip on long edge or Flip on short edge from [Print on
Both Sides (Duplex)].
4.
Click on [OK] twice and close the printer dialogue box.