The diameter of the hobbed gear is also important.
Here is a guide for calibrating e-steps.
You can send M92 Exxxx from a terminal ( pronterface, repetier ) to test the new found value and then put it in the startcode of your slicer or reflash the controller. ( see answer above)
Edited 1 time(s). Last edit at 06/08/2017 02:18AM by o_lampe.