From f131f58124c6f720ed6e9004ce0aa48cebb28aac Mon Sep 17 00:00:00 2001 From: Victor Oliveira Date: Mon, 2 Nov 2020 23:22:14 -0300 Subject: [PATCH] Add a filament runout note (#19973) Co-authored-by: Scott Lahteine --- Marlin/Configuration.h | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/Marlin/Configuration.h b/Marlin/Configuration.h index 054e90d8d..f2884c75c 100644 --- a/Marlin/Configuration.h +++ b/Marlin/Configuration.h @@ -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. */