Here is my write-up on dual extruders that covers RAMPS 1.4 conversion. I used a pair of stock K8203s, which I later later upgraded with E3D V6 hot ends.
Here is my write-up on dual extruders that covers RAMPS 1.4 conversion. I used a pair of stock K8203s, which I later later upgraded with E3D V6 hot ends.