Replace the Gantry Vertical Belt Pulley when the Belt Pulley visibly wobbles when Head travels up/down the Gantry.
Reset Motors by clicking the Reset Motors button on the FrameShop software.
Remove the lower gantry cover by removing the screw holding it in place.
Pull the Head about halfway up the Gantry, and use a piece of matboard under the wheel to wedge it into place.
