It was a Mimaki JV33-160. I'm not positive what happened because I didn't see it happen. All I know is I heard a horrible sound, I went in to check the printer and the cutter has sitting in the area where the head sits when you turn off the printer, the blade looked like it tried to cut though concrete, the screw that holds it on was on the floor and the head was... was... (sniff, sniff) Just look at the photo.