Yes, I have it working at home since a month, and it does both. You just need to put a bunch of papers on top of it, and it will take them 1by1 and scan it both sides at same time.

Yes, and it is very fast and efdictive

Yes, double-sided printing can be selected as a print option and then works automatically.
Yes, you can scan double-sided

Yes, it works perfectly 👍.