I am using a HicTop i3-18 (first print was just yesterday). I used the Cura 14.12 software with only minor problems. I upgraded to the Cura 15.04.6 this evening. The printer will not center. When I tell the machine to auto-center it selects a spot slightly off center. When I told it to print, it began the print at the far right corner instead of the center. I cannot find any settings in the software for centering the build plate.