By looking at our Rapide board, i notice it has 6 motor ports labelled X, Y, Z, E0, E1 and E2.

So far, in a stock RL200, all of them except E2 come wired.

X, Y, Z and E0 are obvious, but what is E1 feeding actually?

Unless, of course, E0 is Z2 and Z is Z1....

Any clues?