The X resolution on Elivs Wu is definitely sloppy. I tried to adjust the belt tension as per the official instruction video[1], but didn't have much luck. I don't think I know what it should feel like. Perhaps someone who is a bit more intimate with the machine can coerce some lovin' out of it. --Casey 1: http://www.youtube.com/watch?v=RjhvEfKQ_Mo