[Sonic Mighty 8K] Replacing the Z-axis

Welcome to this guide on replacing the Z-axis for Sonic Mighty 8K. The Z-axis is a critical component that enables the printer to move the building plate up and down, allowing for precise layering during the printing process. Over time, the Z-axis may become worn or damaged, leading to issues such as layer shifting or uneven prints. 

In this guide, we will walk you through the steps to replace the Z-axis on your Sonic Mighty 8K, ensuring that your printer is operating at its best and producing high-quality prints.

To learn how to replace the Z-axis, watch the video:

Removing the Old Z-axis

1. Turn off the printer and disconnect the power cable
2. Remove the UV cover, building plate, and resin vat
3. Remove the front case by loosening the 4 screws

4. Disconnect the touch panel cable, sensor cable, LCD ribbon cable, and motor cable, and loosen the nut that connects the earthing wire.

5. Loosen the 8 screws on the printer's platform and remove the top half of the printer
6. Turn the Z-axis clockwise to raise the T-plate to the top
7. Loosen the 2 screws on the platform that is attached to the motor
8. Put the top half aside for Z-axis replacement
9. Turn the Z-axis clockwise to remove it from the T-plate
10. Loosen the 2 screws to take out the lead screw nut (see the below pic)

11. Loosen the 2 screws that secure the shock absorber

Installing the New Z-axis

1. Tighten the new shock absorber and secure the motor in place
2. Tighten the 2 screws for the new lead screw nut
3. Turn the new Z-axis counterclockwise to secure it onto the lead screw nut
4. Put the top half platform onto the base and secure it in place by tightening the 8 screws
5. Tighten the screws on the platform that is attached to the motor 
6. Connect the touch panel cable, sensor cable, LCD ribbon cable, and motor cable, and then tighten the nut that connects the earthing wire
7. Reinstall the front case
8. Done
9. Turn on the printer and ensure that it is functioning properly