Symptoms CNC machine Z Axis drops after completing job. Relevant Marlin 3D Printer Firmware running on Arduino Mega with RAMPS 1.4 shield. Controlled via Pronterface. Procedure The steppers motors will shut down DEFAULT_STEPPER_DEACTIVE_TIME seconds after the last move when DISABLE_INACTIVE_? is true. Individual axis can be disabled or DEFAULT_STEPPER_DEACTIVE_TIME can be set to zero to […]