Replace the 40V Power Supply: MIRA

Updated November 12, 2026

Applies to: MIRA

How to replace the 40V power supply in a MIRA. It sits behind the 24V power supply.

Warning: Turn the machine off and unplug it before you start.

What you need

  • Cabinet key
  • Allen wrench
  • Phillips head screwdriver
  • 5/16 nut driver
  • New 40V power supply

Replace the power supply

  1. Open the lower left side panel with the cabinet key. Find the 40V power supply, behind the 24V power supply.

    Lower left side of the MIRA with the panel open
  2. Use an Allen wrench to remove the mounting bolts in the lower left corner and the top right corner of the 24V power supply, and gently hang the unit to one side.

    24V power supply in front of the 40V power supply
  3. Take a picture of the wiring connections on the 40V power supply, to refer to when you reinstall.

    Photographing the wiring on the 40V power supply
  4. Use a Phillips head screwdriver to loosen the wire terminals, and remove the wires.

    Wire terminals on the 40V power supply
  5. Use a 5/16 nut driver to remove the 4 nuts that hold the interior panel of the machine in place.

    Interior panel of the machine with its 4 nuts
  6. Pull the panel towards the edge of the cabinet and lower it to the floor of the machine.

  7. Remove the 4 screws that hold the 24V mounting bracket in place.

    24V mounting bracket and its screws
  8. Unscrew the 4 bolts that hold the 40V power supply in place, and remove it.

    Four bolts holding the 40V power supply in place
  9. Check that the red switch on the new power supply is set to 115V, then install it.

    Red switch on the new power supply set to 115V
  10. Reinstall all the parts in reverse order, using your photo to reconnect the wires. Close and lock the panel.

Need a hand?

Email support@aeonlaser.us or call 321-260-2325. More ways to reach us are on the Support page.

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