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Add a filament runout note (#19973)

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Co-authored-by: Scott Lahteine <thinkyhead@users.noreply.github.com>
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Victor Oliveira 2020-11-02 23:22:14 -03:00 committed by GitHub
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6
Marlin/Configuration.h
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@ -1170,6 +1170,12 @@
* Filament Runout Sensors
* Mechanical or opto endstops are used to check for the presence of filament.
*
* IMPORTANT: Runout will only trigger if Marlin is aware that a print job is running.
* Marlin knows a print job is running when:
* 1. Running a print job from media started with M24.
* 2. The Print Job Timer has been started with M75.
* 3. The heaters were turned on and PRINTJOB_TIMER_AUTOSTART is enabled.
*
* RAMPS-based boards use SERVO3_PIN for the first runout sensor.
* For other boards you may need to define FIL_RUNOUT_PIN, FIL_RUNOUT2_PIN, etc.
*/