Erases both the center and edge margins of the original image.
Press [Edit / Stamp].
Press [Erase].
Press [Erase Center / Border].
Press [Erase Center / Border].
Press [Different Width].
Press the key you want to change and specify an erase width with [] and [].
Pressing [] or [] changes the width in increments of 1 mm (0.1 inch). Pressing and holding down the relevant key changes the width in increments of 10 mm (1 inch).
Press [OK] twice.
To change the value you entered, press [] and [], and then specify a new value.