[Unable to print "Recto Verso" Help !]

Hi, 

 

I m trying tu use the trial version before to pay the full.

 

Your Software is awsome, but i m blocking on only one point. That's when i would like to print Recto / Verso. As you can see on the picture, the cell "Recto-Verso is block.

 

Can you please help me ? 

 

Depending on the aswer, i ll certainly the license unless i cant print as i wish.

 

Thanks in advance.