thinkyhead

M404 - Set Filament Diameter

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

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.


Usage

M404 [W<linear>]

Argument Description
[W<linear>]

The new nominal width value

Notes

Requires FILAMENT_WIDTH_SENSOR.

Examples

Set the diameter to 1.75mm

M404 W1.75

Get the current width

M404
> Filament dia (nominal mm): 1.75