If you already have a circuit and printed silicon in the Inscriber and place a hopper on the side and place another printed circuit in; it will automatically take it and make a processor. appliedenergistics2-rv2-stable-10 forge - 10.13.4.1614.

Yes, hoppers will automatically insert into an inscriber when attached and should the input match a valid recipe, it will start to craft it.

So it is intended?

yes