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M405 - Filament Width Sensor On

control Enable filament width sensor flow control FILAMENT_WIDTH_SENSOR

Turn on the filament width sensor and start using it to do flow control. Initially, the filament between the sensor and the hot-end will be treated as the nominal width.


Usage

M405 [D<cm>]

Argument Description
[D<cm>]

Distance from measurement point to hot end. If not given, the previous value will be used. The default startup value is set by MEASUREMENT_DELAY_CM.

Notes

Requires FILAMENT_WIDTH_SENSOR.

Example

Start measuring filament width, adjusting flow

M405