My 620B sat around for some time before I got tuit. Thought the install-steps a too-? lengthy process (even skipping the Wifi) but it completed all the tests and worked. Except scanner. Expected a round of delving. Naively called their service #. We went through some drills incl. latest driver set.

This was on their dime and a well informed tech. No joy.. until I raised Q re length of USB cable: ptr is located ~ 8' away. {Duh, says he, for not asking..) Turns out it needs to be Short for all the prestidigitations in scanner-mode! ergo 100% AOK, there.

In brief, given the time and patience, this reminded of my outstanding experience re [anothe division] my superbL-1A SLR (most accurate range-finder extant, then.) Canon thus far gets ***** in my brief experience. FWIW