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A 2.0 mm Allen wrench
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A 2.5 mm Allen wrench
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Double-sided tape

https://www.youtube.com/watch?v=kuypc9DqC74
- 1.Place the machine on its side. Remove the 4 silicone foot pads from the bottom cover.

- 2.Loosen the 4 screws securing the bottom cover with a 2.5 mm Allen wrench, then remove the cover.

- 3.Label the ports of the same size on the switch circuit board for easy reconnection later. Unplug all ribbon cables from the ports on the switch circuit board.

- 4.Loosen the 4 screws securing the switch circuit board with a 2.0 mm Allen wrench, then remove the old circuit board.

- 5.Remove the spacer adhered to the switch circuit board.

- 6.Reapply double-sided tape to the spacer adhered to the switch circuit board.

- 7.Prepare the new switch circuit board. Reattach the spacer to the switch circuit board.

- 8.Put the switch circuit board in the installation position by aligning it with the screw holes and button holes. Tighten the 4 screws securing the switch circuit board using a 2.0 mm Allen wrench.

- 9.Plug the ribbon cables to the ports on the switch circuit board according to the labels and the size of the ports.

- 10.Prepare the bottom cover and align the two long studs with the screw holes near the motherboard.

- 11.Put the bottom cover in the installation position by aligning it with the screw holes. Tighten the 4 screws securing the bottom cover using a 2.5 mm Allen wrench.

- 12.Apply double-sided tape to the silicone foot pads. Put the 4 silicone foot pads in the installation position by aligning them with the grooves.

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13.Put the turntable and cover in the installation position. Power on the machine, select the curing mode and set the appropriate time.
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14.Once the UV light turns on and the turntable starts rotating, it's ready for use.
