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M421 - Set Mesh Value

motion Set a single mesh Z height AUTO_BED_LEVELING_(BILINEAR|UBL)|MESH_BED_LEVELING

Description

This command is used to set a single Z value for a mesh point in the stored bed leveling data.

Allowed forms are M421 In Jn Zn, M421 Xn Yn Zn (MESH_BED_LEVELING only) or M421 C Zn (AUTO_BED_LEVELING_UBL only).

Usage

M421 [C<bool>] [I<int>] [J<int>] [N<bool>] [Q<linear>] [X<linear>] [Y<linear>] [Z<linear>]

Parameters

[C<bool>]

Set the mesh point closest to the current nozzle position (AUTO_BED_LEVELING_UBL only)

[I<int>]

X index into the mesh array

[J<int>]

Y index into the mesh array

[N<bool>]

Set the mesh point to undefined (AUTO_BED_LEVELING_UBL only)

[Q<linear>]

A value to add to the existing Z value

[X<linear>]

X position (which should be very close to a grid line) (MESH_BED_LEVELING only)

[Y<linear>]

Y position (which should be very close to a grid line) (MESH_BED_LEVELING only)

[Z<linear>]

The new Z value to set