I think simple is good, so yes, I would try without doing anything first. Lots of people on this forum have had bees take to the frames without doing anything.
As far as the wax concept, I think Faroe was implying that you just take a piece of excess bridge comb and rub it on like a crayon - nothing fancy and don’t try to melt it or dip the frames. The idea was just to make it smell like the hive by smearing a bit of wax (and perhaps some nectar if it was in the comb) onto the plastic. Here is the posting she wrote: