18 tooth v 20 tooth pulleys with X-controller

[ErikJenkins]

The 18tooth pulley changed the steps the machine takes now, fortunately grbl allows you to adjust this…check out this link…there are 2 different videos that show you how to calibrate this.

X-carve accuracy Issues

Each time the belts are changed in tightness, the steps per mm need to be calibrated if you are looking for accurate cuts. Here is a video on how to do so: Here’s another by @RobertA_Rieke As a side note, if you move your gantry by hand then it will move out of square. Be sure that you only move the gantry with jog controls or if you have to move it by hand then re-square after each time.