diff --git a/Marlin/pins.h b/Marlin/pins.h index 1e2030a86..b21fb860c 100644 --- a/Marlin/pins.h +++ b/Marlin/pins.h @@ -303,6 +303,9 @@ #if !defined(E3_AUTO_FAN_PIN) && defined(ORIG_E3_AUTO_FAN_PIN) #define E3_AUTO_FAN_PIN ORIG_E3_AUTO_FAN_PIN #endif +#if !defined(E4_AUTO_FAN_PIN) && defined(ORIG_E4_AUTO_FAN_PIN) + #define E4_AUTO_FAN_PIN ORIG_E4_AUTO_FAN_PIN +#endif // List of pins which to ignore when asked to change by gcode, 0 and 1 are RX and TX, do not mess with those! #define _E0_PINS E0_STEP_PIN, E0_DIR_PIN, E0_ENABLE_PIN, E0_MS1_PIN, E0_MS2_PIN,