Roughly chop the pineapple, cucumber, and carrot to a size that will fit in the juicer chute. Add the pineapple to the juicer first, followed with the ginger, cucumber and carrot. Pour into a chilled glass, stir, and serve. Can be refrigerated in shaker cup or Mason jar up to 12 hours. Shake well or use a handheld immersion blender before serving.