For the ones I have seen = Nope - Twice!!
You go to the console that scans your passport/ID etc, and you fill in the details. It then prints your boarding card and bag tag, which you strip and stick on the handle of the case. (It will have asked if you have a bag to check)
Shift the case onto the next machine, with the label visible and it then scans for the barcode (or e-tag if used in the country) and, if all is well, the case goes off in the usual way. If it cannot see the barcode it will tell you to rearrange the tag and then press the button again.
Last edited by PAXboy; 31st Jan 2017 at 21:06.