1. Press the "Custom Settings" button on the panel.
2. Select the "Key Operator Programs" tab on the screen.
3. Enter the key operation code by pressing the number "0 Five Times" (00000).
4. Select the "Copy Settings" tab on the screen.
5. Select "Initial Status Settings".
6. Select "Two Sided Copy".
7. Select the "11->2" tab on the screen.
8. Select "Ok 3 Times" and then exit.