---
tag: m0401
title: Deploy Probe
brief: Deploy the bed probe
author: thinkyhead

requires: HAS_BED_PROBE
group: calibration

codes: [ M401 ]

notes: Requires some kind of bed probe. This command has no visible effect for probes that don't move. They are just activated.

parameters:
  -
    tag: H
    optional: true
    since: 2.0.9.4
    requires: BLTOUCH_HS_MODE
    description: Report the current BLTouch High Speed (HS) Mode state and exit.
    values:
      -
        type: flag
  -
    tag: S
    optional: true
    since: 2.0.9.3
    requires: BLTOUCH_HS_MODE
    description: Set the BLTouch High Speed (HS) Mode state and exit without deploy.
    values:
      -
        type: bool

examples:
  -
    pre: Deploy the probe
    code: M401
  -
    pre: Enable BLTouch High Speed Mode
    code: M401 S1

---

Deploy the bed probe. The Z axis may raise up to make room for the probe to deploy.