1. The rotary accessory does not rotate or rotates irregularly.

1. Make sure the machine is connected to the Z axis correctly.

2. Check whether the rotary accessory mode on LightBurn and the corresponding parameters of the step value per rotation and the roller diameter value are filled in correctly.

3. If you confirm that the machine is connected correctly and the parameters are set correctly, but it still does not rotate or rotates irregularly, please contact TOOCAA after-sales technicians in time (TOOCAA after-sales technicians contact information: support@elecfreaks.com), and we will solve it for you as soon as possible.

2. Why can't the extension double-step jaw components/chuck needle be inserted after pressing the top button of the chuck?

Adjust the tightness of the chuck knob 

3. The side knob of the rotary accessory is locked.

4. Why does the image appear mirrored after engraving?

Please cancel the mirror output to rotary set when clicking the rotary setup in the mode toolbar to set parameters.

Cancel the mirror output to rotary 

5. The top or bottom of the engraved image is incomplete.

Please manually set the Z-axis overscan.

How to set:

In LightBurn, draw a rectangular frame larger than the engraved image, select Power Max to 0, and then engrave the image.

Z-axis overscan

6. How to engrave materials with larger diameters (＞140mm) using chuck accessories?

7. How to use a vernier caliper?