---
tag: m0080
title: Power On
brief: Turn on the power supply
author: thinkyhead
contrib: AnHardt, Drachenkaetzchen

requires: PSU_CONTROL
group: control

codes: [ M80 ]
related: [ M81 ]

notes:
  - A `PS_ON_PIN` is also required. Check your board's pins file for the default.
  - For Marlin 1.1.9 and earlier this feature is enabled by `POWER_SUPPLY`.
  - Some octoprint plugins filter out M80/M81. If M80 does not work, use a plain serial terminal first prior reporting a bug.

parameters:
  -
    tag: S
    optional: true
    description: 'Report Power Supply state'
    values:

example:
  -
    code: M80 ; power on

---

Turn on the high-voltage power supply. Requires a board that's powered from USB or another 5V source.