the steppers on my ramps 1.4 board are not moving but binding when powered. i am using KV4242-N2B007 steppers from Nidec. i am supplying 12v 30A to the ramps board. most of the parts from my 3d printer come from a davinci mini w. I feel like i am missing something obvious in the configuration but i don't know.by shellman3379 - Reprappers