I took delivery of my first 3D printer at the weekend, a Wanhao i3 Duplicator, and i downloaded Cura 3.6 onto my mac. When i did the test print with the supplied SD card it printed in the middle of the print bed, but when i used Cura to print it only prints in the front left corner and cuts some of the print. Tried twice same result, obviously i'de like to print in the middle. Is there something i've missed like a box tick or something? i'm not familiar with code so i don't think that's an option if i have to go that route, and i'm still getting to grips with XY & Z. I'm at a loss as to what to do and hope someone out there can help.