diff --git a/Marlin/src/inc/Conditionals_LCD.h b/Marlin/src/inc/Conditionals_LCD.h index 0524d202a1..5cec44b004 100644 --- a/Marlin/src/inc/Conditionals_LCD.h +++ b/Marlin/src/inc/Conditionals_LCD.h @@ -421,18 +421,28 @@ #define HOTEND_INDEX e #endif -#if ENABLED(SWITCHING_EXTRUDER) || ENABLED(MIXING_EXTRUDER) // Unified E axis - #if ENABLED(MIXING_EXTRUDER) - #define E_STEPPERS MIXING_STEPPERS +#if ENABLED(SWITCHING_EXTRUDER) // One stepper for every two EXTRUDERS + #if EXTRUDERS > 4 + #define E_STEPPERS 3 + #define E_MANUAL 3 + #define TOOL_E_INDEX current_block->active_extruder + #elif EXTRUDERS > 2 + #define E_STEPPERS 2 + #define E_MANUAL 2 + #define TOOL_E_INDEX current_block->active_extruder #else - #define E_STEPPERS 1 // One E stepper + #define E_STEPPERS 1 + #define TOOL_E_INDEX 0 #endif - #define E_MANUAL 1 - #define TOOL_E_INDEX 0 + #define E_MANUAL E_STEPPERS +#elif ENABLED(MIXING_EXTRUDER) + #define E_STEPPERS MIXING_STEPPERS + #define E_MANUAL 1 + #define TOOL_E_INDEX 0 #else - #define E_STEPPERS EXTRUDERS - #define E_MANUAL EXTRUDERS - #define TOOL_E_INDEX current_block->active_extruder + #define E_STEPPERS EXTRUDERS + #define E_MANUAL EXTRUDERS + #define TOOL_E_INDEX current_block->active_extruder #endif /**