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M404 - Set Filament Diameter

control Set the nominal diameter for filament width sensor auto-flow FILAMENT_WIDTH_SENSOR

Description

Report or set the nominal filament width, such as 1.75 or 3.00.

This value is used to determine the percentage difference when auto-adjusting flow in response to the measured filament width, and should match the value used for filament width in your slicer settings.

Notes

Requires FILAMENT_WIDTH_SENSOR.

Usage

M404 [W<linear>]

Parameters

[W<linear>]

The new nominal width value

Examples

Set the diameter to 1.75mm

M404 W1.75 

Get the current width

M404 
> Filament dia (nominal mm): 1.75