X_DUAL_STEPPER_DRIVERS configuration option

Marlin/Configuration_adv.h

@@ -229,11 +229,28 @@
 
 //#define Z_LATE_ENABLE // Enable Z the last moment. Needed if your Z driver overheats.
 
+// Dual X Steppers
+// Uncomment this option to drive two X axis motors.
+// The next unused E driver will be assigned to the second X stepper.
+//#define X_DUAL_STEPPER_DRIVERS
+#if ENABLED(X_DUAL_STEPPER_DRIVERS)
+  // Set true if the two X motors need to rotate in opposite directions
+  #define INVERT_X2_VS_X_DIR true
+#endif
+
+
+// Dual Y Steppers
+// Uncomment this option to drive two Y axis motors.
+// The next unused E driver will be assigned to the second Y stepper.
+//#define Y_DUAL_STEPPER_DRIVERS
+#if ENABLED(Y_DUAL_STEPPER_DRIVERS)
+  // Set true if the two Y motors need to rotate in opposite directions
+  #define INVERT_Y2_VS_Y_DIR true
+#endif
+
 // A single Z stepper driver is usually used to drive 2 stepper motors.
-// Uncomment this define to utilize a separate stepper driver for each Z axis motor.
-// Only a few motherboards support this, like RAMPS, which have dual extruder support (the 2nd, often unused, extruder driver is used
-// to control the 2nd Z axis stepper motor). The pins are currently only defined for a RAMPS motherboards.
-// On a RAMPS (or other 5 driver) motherboard, using this feature will limit you to using 1 extruder.
+// Uncomment this option to use a separate stepper driver for each Z axis motor.
+// The next unused E driver will be assigned to the second Z stepper.
 //#define Z_DUAL_STEPPER_DRIVERS
 
 #if ENABLED(Z_DUAL_STEPPER_DRIVERS)
@@ -255,14 +272,6 @@
 
 #endif // Z_DUAL_STEPPER_DRIVERS
 
-// Same again but for Y Axis.
-//#define Y_DUAL_STEPPER_DRIVERS
-
-#if ENABLED(Y_DUAL_STEPPER_DRIVERS)
-  // Define if the two Y drives need to rotate in opposite directions
-  #define INVERT_Y2_VS_Y_DIR true
-#endif
-
 // Enable this for dual x-carriage printers.
 // A dual x-carriage design has the advantage that the inactive extruder can be parked which
 // prevents hot-end ooze contaminating the print. It also reduces the weight of each x-carriage

Marlin/SanityCheck.h

@@ -76,8 +76,14 @@
 /**
  * Dual Stepper Drivers
  */
-#if ENABLED(Z_DUAL_STEPPER_DRIVERS) && ENABLED(Y_DUAL_STEPPER_DRIVERS)
-  #error "You cannot have dual stepper drivers for both Y and Z."
+#if ENABLED(X_DUAL_STEPPER_DRIVERS) && ENABLED(DUAL_X_CARRIAGE)
+  #error "DUAL_X_CARRIAGE is not compatible with X_DUAL_STEPPER_DRIVERS."
+#elif ENABLED(X_DUAL_STEPPER_DRIVERS) && (!HAS_X2_ENABLE || !HAS_X2_STEP || !HAS_X2_DIR)
+  #error "X_DUAL_STEPPER_DRIVERS requires X2 pins (and an extra E plug)."
+#elif ENABLED(Y_DUAL_STEPPER_DRIVERS) && (!HAS_Y2_ENABLE || !HAS_Y2_STEP || !HAS_Y2_DIR)
+  #error "Y_DUAL_STEPPER_DRIVERS requires Y2 pins (and an extra E plug)."
+#elif ENABLED(Z_DUAL_STEPPER_DRIVERS) && (!HAS_Z2_ENABLE || !HAS_Z2_STEP || !HAS_Z2_DIR)
+  #error "Z_DUAL_STEPPER_DRIVERS requires Z2 pins (and an extra E plug)."
 #endif
 
 /**
@@ -152,14 +158,6 @@
     #error "EXTRUDERS must be 1 with HEATERS_PARALLEL."
   #endif
 
-  #if ENABLED(Y_DUAL_STEPPER_DRIVERS)
-    #error "EXTRUDERS must be 1 with Y_DUAL_STEPPER_DRIVERS."
-  #endif
-
-  #if ENABLED(Z_DUAL_STEPPER_DRIVERS)
-    #error "EXTRUDERS must be 1 with Z_DUAL_STEPPER_DRIVERS."
-  #endif
-
 #elif ENABLED(SINGLENOZZLE)
   #error "SINGLENOZZLE requires 2 or more EXTRUDERS."
 #endif

Marlin/example_configurations/Cartesio/Configuration_adv.h

@@ -229,11 +229,28 @@
 
 //#define Z_LATE_ENABLE // Enable Z the last moment. Needed if your Z driver overheats.
 
+// Dual X Steppers
+// Uncomment this option to drive two X axis motors.
+// The next unused E driver will be assigned to the second X stepper.
+//#define X_DUAL_STEPPER_DRIVERS
+#if ENABLED(X_DUAL_STEPPER_DRIVERS)
+  // Set true if the two X motors need to rotate in opposite directions
+  #define INVERT_X2_VS_X_DIR true
+#endif
+
+
+// Dual Y Steppers
+// Uncomment this option to drive two Y axis motors.
+// The next unused E driver will be assigned to the second Y stepper.
+//#define Y_DUAL_STEPPER_DRIVERS
+#if ENABLED(Y_DUAL_STEPPER_DRIVERS)
+  // Set true if the two Y motors need to rotate in opposite directions
+  #define INVERT_Y2_VS_Y_DIR true
+#endif
+
 // A single Z stepper driver is usually used to drive 2 stepper motors.
-// Uncomment this define to utilize a separate stepper driver for each Z axis motor.
-// Only a few motherboards support this, like RAMPS, which have dual extruder support (the 2nd, often unused, extruder driver is used
-// to control the 2nd Z axis stepper motor). The pins are currently only defined for a RAMPS motherboards.
-// On a RAMPS (or other 5 driver) motherboard, using this feature will limit you to using 1 extruder.
+// Uncomment this option to use a separate stepper driver for each Z axis motor.
+// The next unused E driver will be assigned to the second Z stepper.
 //#define Z_DUAL_STEPPER_DRIVERS
 
 #if ENABLED(Z_DUAL_STEPPER_DRIVERS)
@@ -255,14 +272,6 @@
 
 #endif // Z_DUAL_STEPPER_DRIVERS
 
-// Same again but for Y Axis.
-//#define Y_DUAL_STEPPER_DRIVERS
-
-#if ENABLED(Y_DUAL_STEPPER_DRIVERS)
-  // Define if the two Y drives need to rotate in opposite directions
-  #define INVERT_Y2_VS_Y_DIR true
-#endif
-
 // Enable this for dual x-carriage printers.
 // A dual x-carriage design has the advantage that the inactive extruder can be parked which
 // prevents hot-end ooze contaminating the print. It also reduces the weight of each x-carriage

Marlin/example_configurations/Felix/Configuration_adv.h

@@ -229,11 +229,28 @@
 
 //#define Z_LATE_ENABLE // Enable Z the last moment. Needed if your Z driver overheats.
 
+// Dual X Steppers
+// Uncomment this option to drive two X axis motors.
+// The next unused E driver will be assigned to the second X stepper.
+//#define X_DUAL_STEPPER_DRIVERS
+#if ENABLED(X_DUAL_STEPPER_DRIVERS)
+  // Set true if the two X motors need to rotate in opposite directions
+  #define INVERT_X2_VS_X_DIR true
+#endif
+
+
+// Dual Y Steppers
+// Uncomment this option to drive two Y axis motors.
+// The next unused E driver will be assigned to the second Y stepper.
+//#define Y_DUAL_STEPPER_DRIVERS
+#if ENABLED(Y_DUAL_STEPPER_DRIVERS)
+  // Set true if the two Y motors need to rotate in opposite directions
+  #define INVERT_Y2_VS_Y_DIR true
+#endif
+
 // A single Z stepper driver is usually used to drive 2 stepper motors.
-// Uncomment this define to utilize a separate stepper driver for each Z axis motor.
-// Only a few motherboards support this, like RAMPS, which have dual extruder support (the 2nd, often unused, extruder driver is used
-// to control the 2nd Z axis stepper motor). The pins are currently only defined for a RAMPS motherboards.
-// On a RAMPS (or other 5 driver) motherboard, using this feature will limit you to using 1 extruder.
+// Uncomment this option to use a separate stepper driver for each Z axis motor.
+// The next unused E driver will be assigned to the second Z stepper.
 //#define Z_DUAL_STEPPER_DRIVERS
 
 #if ENABLED(Z_DUAL_STEPPER_DRIVERS)
@@ -255,14 +272,6 @@
 
 #endif // Z_DUAL_STEPPER_DRIVERS
 
-// Same again but for Y Axis.
-//#define Y_DUAL_STEPPER_DRIVERS
-
-#if ENABLED(Y_DUAL_STEPPER_DRIVERS)
-  // Define if the two Y drives need to rotate in opposite directions
-  #define INVERT_Y2_VS_Y_DIR true
-#endif
-
 // Enable this for dual x-carriage printers.
 // A dual x-carriage design has the advantage that the inactive extruder can be parked which
 // prevents hot-end ooze contaminating the print. It also reduces the weight of each x-carriage

Marlin/example_configurations/Hephestos/Configuration_adv.h

@@ -229,11 +229,28 @@
 
 //#define Z_LATE_ENABLE // Enable Z the last moment. Needed if your Z driver overheats.
 
+// Dual X Steppers
+// Uncomment this option to drive two X axis motors.
+// The next unused E driver will be assigned to the second X stepper.
+//#define X_DUAL_STEPPER_DRIVERS
+#if ENABLED(X_DUAL_STEPPER_DRIVERS)
+  // Set true if the two X motors need to rotate in opposite directions
+  #define INVERT_X2_VS_X_DIR true
+#endif
+
+
+// Dual Y Steppers
+// Uncomment this option to drive two Y axis motors.
+// The next unused E driver will be assigned to the second Y stepper.
+//#define Y_DUAL_STEPPER_DRIVERS
+#if ENABLED(Y_DUAL_STEPPER_DRIVERS)
+  // Set true if the two Y motors need to rotate in opposite directions
+  #define INVERT_Y2_VS_Y_DIR true
+#endif
+
 // A single Z stepper driver is usually used to drive 2 stepper motors.
-// Uncomment this define to utilize a separate stepper driver for each Z axis motor.
-// Only a few motherboards support this, like RAMPS, which have dual extruder support (the 2nd, often unused, extruder driver is used
-// to control the 2nd Z axis stepper motor). The pins are currently only defined for a RAMPS motherboards.
-// On a RAMPS (or other 5 driver) motherboard, using this feature will limit you to using 1 extruder.
+// Uncomment this option to use a separate stepper driver for each Z axis motor.
+// The next unused E driver will be assigned to the second Z stepper.
 //#define Z_DUAL_STEPPER_DRIVERS
 
 #if ENABLED(Z_DUAL_STEPPER_DRIVERS)
@@ -255,14 +272,6 @@
 
 #endif // Z_DUAL_STEPPER_DRIVERS
 
-// Same again but for Y Axis.
-//#define Y_DUAL_STEPPER_DRIVERS
-
-#if ENABLED(Y_DUAL_STEPPER_DRIVERS)
-  // Define if the two Y drives need to rotate in opposite directions
-  #define INVERT_Y2_VS_Y_DIR true
-#endif
-
 // Enable this for dual x-carriage printers.
 // A dual x-carriage design has the advantage that the inactive extruder can be parked which
 // prevents hot-end ooze contaminating the print. It also reduces the weight of each x-carriage

Marlin/example_configurations/Hephestos_2/Configuration_adv.h

@@ -229,11 +229,28 @@
 
 //#define Z_LATE_ENABLE // Enable Z the last moment. Needed if your Z driver overheats.
 
+// Dual X Steppers
+// Uncomment this option to drive two X axis motors.
+// The next unused E driver will be assigned to the second X stepper.
+//#define X_DUAL_STEPPER_DRIVERS
+#if ENABLED(X_DUAL_STEPPER_DRIVERS)
+  // Set true if the two X motors need to rotate in opposite directions
+  #define INVERT_X2_VS_X_DIR true
+#endif
+
+
+// Dual Y Steppers
+// Uncomment this option to drive two Y axis motors.
+// The next unused E driver will be assigned to the second Y stepper.
+//#define Y_DUAL_STEPPER_DRIVERS
+#if ENABLED(Y_DUAL_STEPPER_DRIVERS)
+  // Set true if the two Y motors need to rotate in opposite directions
+  #define INVERT_Y2_VS_Y_DIR true
+#endif
+
 // A single Z stepper driver is usually used to drive 2 stepper motors.
-// Uncomment this define to utilize a separate stepper driver for each Z axis motor.
-// Only a few motherboards support this, like RAMPS, which have dual extruder support (the 2nd, often unused, extruder driver is used
-// to control the 2nd Z axis stepper motor). The pins are currently only defined for a RAMPS motherboards.
-// On a RAMPS (or other 5 driver) motherboard, using this feature will limit you to using 1 extruder.
+// Uncomment this option to use a separate stepper driver for each Z axis motor.
+// The next unused E driver will be assigned to the second Z stepper.
 //#define Z_DUAL_STEPPER_DRIVERS
 
 #if ENABLED(Z_DUAL_STEPPER_DRIVERS)
@@ -255,14 +272,6 @@
 
 #endif // Z_DUAL_STEPPER_DRIVERS
 
-// Same again but for Y Axis.
-//#define Y_DUAL_STEPPER_DRIVERS
-
-#if ENABLED(Y_DUAL_STEPPER_DRIVERS)
-  // Define if the two Y drives need to rotate in opposite directions
-  #define INVERT_Y2_VS_Y_DIR true
-#endif
-
 // Enable this for dual x-carriage printers.
 // A dual x-carriage design has the advantage that the inactive extruder can be parked which
 // prevents hot-end ooze contaminating the print. It also reduces the weight of each x-carriage

Marlin/example_configurations/K8200/Configuration_adv.h

@@ -235,11 +235,28 @@
 
 //#define Z_LATE_ENABLE // Enable Z the last moment. Needed if your Z driver overheats.
 
+// Dual X Steppers
+// Uncomment this option to drive two X axis motors.
+// The next unused E driver will be assigned to the second X stepper.
+//#define X_DUAL_STEPPER_DRIVERS
+#if ENABLED(X_DUAL_STEPPER_DRIVERS)
+  // Set true if the two X motors need to rotate in opposite directions
+  #define INVERT_X2_VS_X_DIR true
+#endif
+
+
+// Dual Y Steppers
+// Uncomment this option to drive two Y axis motors.
+// The next unused E driver will be assigned to the second Y stepper.
+//#define Y_DUAL_STEPPER_DRIVERS
+#if ENABLED(Y_DUAL_STEPPER_DRIVERS)
+  // Set true if the two Y motors need to rotate in opposite directions
+  #define INVERT_Y2_VS_Y_DIR true
+#endif
+
 // A single Z stepper driver is usually used to drive 2 stepper motors.
-// Uncomment this define to utilize a separate stepper driver for each Z axis motor.
-// Only a few motherboards support this, like RAMPS, which have dual extruder support (the 2nd, often unused, extruder driver is used
-// to control the 2nd Z axis stepper motor). The pins are currently only defined for a RAMPS motherboards.
-// On a RAMPS (or other 5 driver) motherboard, using this feature will limit you to using 1 extruder.
+// Uncomment this option to use a separate stepper driver for each Z axis motor.
+// The next unused E driver will be assigned to the second Z stepper.
 //#define Z_DUAL_STEPPER_DRIVERS
 
 #if ENABLED(Z_DUAL_STEPPER_DRIVERS)
@@ -261,14 +278,6 @@
 
 #endif // Z_DUAL_STEPPER_DRIVERS
 
-// Same again but for Y Axis.
-//#define Y_DUAL_STEPPER_DRIVERS
-
-#if ENABLED(Y_DUAL_STEPPER_DRIVERS)
-  // Define if the two Y drives need to rotate in opposite directions
-  #define INVERT_Y2_VS_Y_DIR true
-#endif
-
 // Enable this for dual x-carriage printers.
 // A dual x-carriage design has the advantage that the inactive extruder can be parked which
 // prevents hot-end ooze contaminating the print. It also reduces the weight of each x-carriage

Marlin/example_configurations/RigidBot/Configuration_adv.h

@@ -229,11 +229,28 @@
 
 //#define Z_LATE_ENABLE // Enable Z the last moment. Needed if your Z driver overheats.
 
+// Dual X Steppers
+// Uncomment this option to drive two X axis motors.
+// The next unused E driver will be assigned to the second X stepper.
+//#define X_DUAL_STEPPER_DRIVERS
+#if ENABLED(X_DUAL_STEPPER_DRIVERS)
+  // Set true if the two X motors need to rotate in opposite directions
+  #define INVERT_X2_VS_X_DIR true
+#endif
+
+
+// Dual Y Steppers
+// Uncomment this option to drive two Y axis motors.
+// The next unused E driver will be assigned to the second Y stepper.
+//#define Y_DUAL_STEPPER_DRIVERS
+#if ENABLED(Y_DUAL_STEPPER_DRIVERS)
+  // Set true if the two Y motors need to rotate in opposite directions
+  #define INVERT_Y2_VS_Y_DIR true
+#endif
+
 // A single Z stepper driver is usually used to drive 2 stepper motors.
-// Uncomment this define to utilize a separate stepper driver for each Z axis motor.
-// Only a few motherboards support this, like RAMPS, which have dual extruder support (the 2nd, often unused, extruder driver is used
-// to control the 2nd Z axis stepper motor). The pins are currently only defined for a RAMPS motherboards.
-// On a RAMPS (or other 5 driver) motherboard, using this feature will limit you to using 1 extruder.
+// Uncomment this option to use a separate stepper driver for each Z axis motor.
+// The next unused E driver will be assigned to the second Z stepper.
 //#define Z_DUAL_STEPPER_DRIVERS
 
 #if ENABLED(Z_DUAL_STEPPER_DRIVERS)
@@ -255,14 +272,6 @@
 
 #endif // Z_DUAL_STEPPER_DRIVERS
 
-// Same again but for Y Axis.
-//#define Y_DUAL_STEPPER_DRIVERS
-
-#if ENABLED(Y_DUAL_STEPPER_DRIVERS)
-  // Define if the two Y drives need to rotate in opposite directions
-  #define INVERT_Y2_VS_Y_DIR true
-#endif
-
 // Enable this for dual x-carriage printers.
 // A dual x-carriage design has the advantage that the inactive extruder can be parked which
 // prevents hot-end ooze contaminating the print. It also reduces the weight of each x-carriage

Marlin/example_configurations/SCARA/Configuration_adv.h

@@ -229,11 +229,28 @@
 
 //#define Z_LATE_ENABLE // Enable Z the last moment. Needed if your Z driver overheats.
 
+// Dual X Steppers
+// Uncomment this option to drive two X axis motors.
+// The next unused E driver will be assigned to the second X stepper.
+//#define X_DUAL_STEPPER_DRIVERS
+#if ENABLED(X_DUAL_STEPPER_DRIVERS)
+  // Set true if the two X motors need to rotate in opposite directions
+  #define INVERT_X2_VS_X_DIR true
+#endif
+
+
+// Dual Y Steppers
+// Uncomment this option to drive two Y axis motors.
+// The next unused E driver will be assigned to the second Y stepper.
+//#define Y_DUAL_STEPPER_DRIVERS
+#if ENABLED(Y_DUAL_STEPPER_DRIVERS)
+  // Set true if the two Y motors need to rotate in opposite directions
+  #define INVERT_Y2_VS_Y_DIR true
+#endif
+
 // A single Z stepper driver is usually used to drive 2 stepper motors.
-// Uncomment this define to utilize a separate stepper driver for each Z axis motor.
-// Only a few motherboards support this, like RAMPS, which have dual extruder support (the 2nd, often unused, extruder driver is used
-// to control the 2nd Z axis stepper motor). The pins are currently only defined for a RAMPS motherboards.
-// On a RAMPS (or other 5 driver) motherboard, using this feature will limit you to using 1 extruder.
+// Uncomment this option to use a separate stepper driver for each Z axis motor.
+// The next unused E driver will be assigned to the second Z stepper.
 //#define Z_DUAL_STEPPER_DRIVERS
 
 #if ENABLED(Z_DUAL_STEPPER_DRIVERS)
@@ -255,14 +272,6 @@
 
 #endif // Z_DUAL_STEPPER_DRIVERS
 
-// Same again but for Y Axis.
-//#define Y_DUAL_STEPPER_DRIVERS
-
-#if ENABLED(Y_DUAL_STEPPER_DRIVERS)
-  // Define if the two Y drives need to rotate in opposite directions
-  #define INVERT_Y2_VS_Y_DIR true
-#endif
-
 // Enable this for dual x-carriage printers.
 // A dual x-carriage design has the advantage that the inactive extruder can be parked which
 // prevents hot-end ooze contaminating the print. It also reduces the weight of each x-carriage

Marlin/example_configurations/TAZ4/Configuration_adv.h

@@ -237,11 +237,28 @@
 
 //#define Z_LATE_ENABLE // Enable Z the last moment. Needed if your Z driver overheats.
 
+// Dual X Steppers
+// Uncomment this option to drive two X axis motors.
+// The next unused E driver will be assigned to the second X stepper.
+//#define X_DUAL_STEPPER_DRIVERS
+#if ENABLED(X_DUAL_STEPPER_DRIVERS)
+  // Set true if the two X motors need to rotate in opposite directions
+  #define INVERT_X2_VS_X_DIR true
+#endif
+
+
+// Dual Y Steppers
+// Uncomment this option to drive two Y axis motors.
+// The next unused E driver will be assigned to the second Y stepper.
+//#define Y_DUAL_STEPPER_DRIVERS
+#if ENABLED(Y_DUAL_STEPPER_DRIVERS)
+  // Set true if the two Y motors need to rotate in opposite directions
+  #define INVERT_Y2_VS_Y_DIR true
+#endif
+
 // A single Z stepper driver is usually used to drive 2 stepper motors.
-// Uncomment this define to utilize a separate stepper driver for each Z axis motor.
-// Only a few motherboards support this, like RAMPS, which have dual extruder support (the 2nd, often unused, extruder driver is used
-// to control the 2nd Z axis stepper motor). The pins are currently only defined for a RAMPS motherboards.
-// On a RAMPS (or other 5 driver) motherboard, using this feature will limit you to using 1 extruder.
+// Uncomment this option to use a separate stepper driver for each Z axis motor.
+// The next unused E driver will be assigned to the second Z stepper.
 //#define Z_DUAL_STEPPER_DRIVERS
 
 #if ENABLED(Z_DUAL_STEPPER_DRIVERS)
@@ -263,14 +280,6 @@
 
 #endif // Z_DUAL_STEPPER_DRIVERS
 
-// Same again but for Y Axis.
-//#define Y_DUAL_STEPPER_DRIVERS
-
-#if ENABLED(Y_DUAL_STEPPER_DRIVERS)
-  // Define if the two Y drives need to rotate in opposite directions
-  #define INVERT_Y2_VS_Y_DIR true
-#endif
-
 // Enable this for dual x-carriage printers.
 // A dual x-carriage design has the advantage that the inactive extruder can be parked which
 // prevents hot-end ooze contaminating the print. It also reduces the weight of each x-carriage

Marlin/example_configurations/WITBOX/Configuration_adv.h

@@ -229,11 +229,28 @@
 
 //#define Z_LATE_ENABLE // Enable Z the last moment. Needed if your Z driver overheats.
 
+// Dual X Steppers
+// Uncomment this option to drive two X axis motors.
+// The next unused E driver will be assigned to the second X stepper.
+//#define X_DUAL_STEPPER_DRIVERS
+#if ENABLED(X_DUAL_STEPPER_DRIVERS)
+  // Set true if the two X motors need to rotate in opposite directions
+  #define INVERT_X2_VS_X_DIR true
+#endif
+
+
+// Dual Y Steppers
+// Uncomment this option to drive two Y axis motors.
+// The next unused E driver will be assigned to the second Y stepper.
+//#define Y_DUAL_STEPPER_DRIVERS
+#if ENABLED(Y_DUAL_STEPPER_DRIVERS)
+  // Set true if the two Y motors need to rotate in opposite directions
+  #define INVERT_Y2_VS_Y_DIR true
+#endif
+
 // A single Z stepper driver is usually used to drive 2 stepper motors.
-// Uncomment this define to utilize a separate stepper driver for each Z axis motor.
-// Only a few motherboards support this, like RAMPS, which have dual extruder support (the 2nd, often unused, extruder driver is used
-// to control the 2nd Z axis stepper motor). The pins are currently only defined for a RAMPS motherboards.
-// On a RAMPS (or other 5 driver) motherboard, using this feature will limit you to using 1 extruder.
+// Uncomment this option to use a separate stepper driver for each Z axis motor.
+// The next unused E driver will be assigned to the second Z stepper.
 //#define Z_DUAL_STEPPER_DRIVERS
 
 #if ENABLED(Z_DUAL_STEPPER_DRIVERS)
@@ -255,14 +272,6 @@
 
 #endif // Z_DUAL_STEPPER_DRIVERS
 
-// Same again but for Y Axis.
-//#define Y_DUAL_STEPPER_DRIVERS
-
-#if ENABLED(Y_DUAL_STEPPER_DRIVERS)
-  // Define if the two Y drives need to rotate in opposite directions
-  #define INVERT_Y2_VS_Y_DIR true
-#endif
-
 // Enable this for dual x-carriage printers.
 // A dual x-carriage design has the advantage that the inactive extruder can be parked which
 // prevents hot-end ooze contaminating the print. It also reduces the weight of each x-carriage

Marlin/example_configurations/delta/biv2.5/Configuration_adv.h

@@ -229,11 +229,28 @@
 
 //#define Z_LATE_ENABLE // Enable Z the last moment. Needed if your Z driver overheats.
 
+// Dual X Steppers
+// Uncomment this option to drive two X axis motors.
+// The next unused E driver will be assigned to the second X stepper.
+//#define X_DUAL_STEPPER_DRIVERS
+#if ENABLED(X_DUAL_STEPPER_DRIVERS)
+  // Set true if the two X motors need to rotate in opposite directions
+  #define INVERT_X2_VS_X_DIR true
+#endif
+
+
+// Dual Y Steppers
+// Uncomment this option to drive two Y axis motors.
+// The next unused E driver will be assigned to the second Y stepper.
+//#define Y_DUAL_STEPPER_DRIVERS
+#if ENABLED(Y_DUAL_STEPPER_DRIVERS)
+  // Set true if the two Y motors need to rotate in opposite directions
+  #define INVERT_Y2_VS_Y_DIR true
+#endif
+
 // A single Z stepper driver is usually used to drive 2 stepper motors.
-// Uncomment this define to utilize a separate stepper driver for each Z axis motor.
-// Only a few motherboards support this, like RAMPS, which have dual extruder support (the 2nd, often unused, extruder driver is used
-// to control the 2nd Z axis stepper motor). The pins are currently only defined for a RAMPS motherboards.
-// On a RAMPS (or other 5 driver) motherboard, using this feature will limit you to using 1 extruder.
+// Uncomment this option to use a separate stepper driver for each Z axis motor.
+// The next unused E driver will be assigned to the second Z stepper.
 //#define Z_DUAL_STEPPER_DRIVERS
 
 #if ENABLED(Z_DUAL_STEPPER_DRIVERS)
@@ -255,14 +272,6 @@
 
 #endif // Z_DUAL_STEPPER_DRIVERS
 
-// Same again but for Y Axis.
-//#define Y_DUAL_STEPPER_DRIVERS
-
-#if ENABLED(Y_DUAL_STEPPER_DRIVERS)
-  // Define if the two Y drives need to rotate in opposite directions
-  #define INVERT_Y2_VS_Y_DIR true
-#endif
-
 // Enable this for dual x-carriage printers.
 // A dual x-carriage design has the advantage that the inactive extruder can be parked which
 // prevents hot-end ooze contaminating the print. It also reduces the weight of each x-carriage

Marlin/example_configurations/delta/generic/Configuration_adv.h

@@ -229,11 +229,28 @@
 
 //#define Z_LATE_ENABLE // Enable Z the last moment. Needed if your Z driver overheats.
 
+// Dual X Steppers
+// Uncomment this option to drive two X axis motors.
+// The next unused E driver will be assigned to the second X stepper.
+//#define X_DUAL_STEPPER_DRIVERS
+#if ENABLED(X_DUAL_STEPPER_DRIVERS)
+  // Set true if the two X motors need to rotate in opposite directions
+  #define INVERT_X2_VS_X_DIR true
+#endif
+
+
+// Dual Y Steppers
+// Uncomment this option to drive two Y axis motors.
+// The next unused E driver will be assigned to the second Y stepper.
+//#define Y_DUAL_STEPPER_DRIVERS
+#if ENABLED(Y_DUAL_STEPPER_DRIVERS)
+  // Set true if the two Y motors need to rotate in opposite directions
+  #define INVERT_Y2_VS_Y_DIR true
+#endif
+
 // A single Z stepper driver is usually used to drive 2 stepper motors.
-// Uncomment this define to utilize a separate stepper driver for each Z axis motor.
-// Only a few motherboards support this, like RAMPS, which have dual extruder support (the 2nd, often unused, extruder driver is used
-// to control the 2nd Z axis stepper motor). The pins are currently only defined for a RAMPS motherboards.
-// On a RAMPS (or other 5 driver) motherboard, using this feature will limit you to using 1 extruder.
+// Uncomment this option to use a separate stepper driver for each Z axis motor.
+// The next unused E driver will be assigned to the second Z stepper.
 //#define Z_DUAL_STEPPER_DRIVERS
 
 #if ENABLED(Z_DUAL_STEPPER_DRIVERS)
@@ -255,14 +272,6 @@
 
 #endif // Z_DUAL_STEPPER_DRIVERS
 
-// Same again but for Y Axis.
-//#define Y_DUAL_STEPPER_DRIVERS
-
-#if ENABLED(Y_DUAL_STEPPER_DRIVERS)
-  // Define if the two Y drives need to rotate in opposite directions
-  #define INVERT_Y2_VS_Y_DIR true
-#endif
-
 // Enable this for dual x-carriage printers.
 // A dual x-carriage design has the advantage that the inactive extruder can be parked which
 // prevents hot-end ooze contaminating the print. It also reduces the weight of each x-carriage

Marlin/example_configurations/delta/kossel_mini/Configuration_adv.h

@@ -229,11 +229,28 @@
 
 //#define Z_LATE_ENABLE // Enable Z the last moment. Needed if your Z driver overheats.
 
+// Dual X Steppers
+// Uncomment this option to drive two X axis motors.
+// The next unused E driver will be assigned to the second X stepper.
+//#define X_DUAL_STEPPER_DRIVERS
+#if ENABLED(X_DUAL_STEPPER_DRIVERS)
+  // Set true if the two X motors need to rotate in opposite directions
+  #define INVERT_X2_VS_X_DIR true
+#endif
+
+
+// Dual Y Steppers
+// Uncomment this option to drive two Y axis motors.
+// The next unused E driver will be assigned to the second Y stepper.
+//#define Y_DUAL_STEPPER_DRIVERS
+#if ENABLED(Y_DUAL_STEPPER_DRIVERS)
+  // Set true if the two Y motors need to rotate in opposite directions
+  #define INVERT_Y2_VS_Y_DIR true
+#endif
+
 // A single Z stepper driver is usually used to drive 2 stepper motors.
-// Uncomment this define to utilize a separate stepper driver for each Z axis motor.
-// Only a few motherboards support this, like RAMPS, which have dual extruder support (the 2nd, often unused, extruder driver is used
-// to control the 2nd Z axis stepper motor). The pins are currently only defined for a RAMPS motherboards.
-// On a RAMPS (or other 5 driver) motherboard, using this feature will limit you to using 1 extruder.
+// Uncomment this option to use a separate stepper driver for each Z axis motor.
+// The next unused E driver will be assigned to the second Z stepper.
 //#define Z_DUAL_STEPPER_DRIVERS
 
 #if ENABLED(Z_DUAL_STEPPER_DRIVERS)
@@ -255,14 +272,6 @@
 
 #endif // Z_DUAL_STEPPER_DRIVERS
 
-// Same again but for Y Axis.
-//#define Y_DUAL_STEPPER_DRIVERS
-
-#if ENABLED(Y_DUAL_STEPPER_DRIVERS)
-  // Define if the two Y drives need to rotate in opposite directions
-  #define INVERT_Y2_VS_Y_DIR true
-#endif
-
 // Enable this for dual x-carriage printers.
 // A dual x-carriage design has the advantage that the inactive extruder can be parked which
 // prevents hot-end ooze contaminating the print. It also reduces the weight of each x-carriage

Marlin/example_configurations/delta/kossel_pro/Configuration_adv.h

@@ -234,11 +234,28 @@
 
 //#define Z_LATE_ENABLE // Enable Z the last moment. Needed if your Z driver overheats.
 
+// Dual X Steppers
+// Uncomment this option to drive two X axis motors.
+// The next unused E driver will be assigned to the second X stepper.
+//#define X_DUAL_STEPPER_DRIVERS
+#if ENABLED(X_DUAL_STEPPER_DRIVERS)
+  // Set true if the two X motors need to rotate in opposite directions
+  #define INVERT_X2_VS_X_DIR true
+#endif
+
+
+// Dual Y Steppers
+// Uncomment this option to drive two Y axis motors.
+// The next unused E driver will be assigned to the second Y stepper.
+//#define Y_DUAL_STEPPER_DRIVERS
+#if ENABLED(Y_DUAL_STEPPER_DRIVERS)
+  // Set true if the two Y motors need to rotate in opposite directions
+  #define INVERT_Y2_VS_Y_DIR true
+#endif
+
 // A single Z stepper driver is usually used to drive 2 stepper motors.
-// Uncomment this define to utilize a separate stepper driver for each Z axis motor.
-// Only a few motherboards support this, like RAMPS, which have dual extruder support (the 2nd, often unused, extruder driver is used
-// to control the 2nd Z axis stepper motor). The pins are currently only defined for a RAMPS motherboards.
-// On a RAMPS (or other 5 driver) motherboard, using this feature will limit you to using 1 extruder.
+// Uncomment this option to use a separate stepper driver for each Z axis motor.
+// The next unused E driver will be assigned to the second Z stepper.
 //#define Z_DUAL_STEPPER_DRIVERS
 
 #if ENABLED(Z_DUAL_STEPPER_DRIVERS)
@@ -260,14 +277,6 @@
 
 #endif // Z_DUAL_STEPPER_DRIVERS
 
-// Same again but for Y Axis.
-//#define Y_DUAL_STEPPER_DRIVERS
-
-#if ENABLED(Y_DUAL_STEPPER_DRIVERS)
-  // Define if the two Y drives need to rotate in opposite directions
-  #define INVERT_Y2_VS_Y_DIR true
-#endif
-
 // Enable this for dual x-carriage printers.
 // A dual x-carriage design has the advantage that the inactive extruder can be parked which
 // prevents hot-end ooze contaminating the print. It also reduces the weight of each x-carriage

Marlin/example_configurations/delta/kossel_xl/Configuration_adv.h

@@ -229,11 +229,28 @@
 
 //#define Z_LATE_ENABLE // Enable Z the last moment. Needed if your Z driver overheats.
 
+// Dual X Steppers
+// Uncomment this option to drive two X axis motors.
+// The next unused E driver will be assigned to the second X stepper.
+//#define X_DUAL_STEPPER_DRIVERS
+#if ENABLED(X_DUAL_STEPPER_DRIVERS)
+  // Set true if the two X motors need to rotate in opposite directions
+  #define INVERT_X2_VS_X_DIR true
+#endif
+
+
+// Dual Y Steppers
+// Uncomment this option to drive two Y axis motors.
+// The next unused E driver will be assigned to the second Y stepper.
+//#define Y_DUAL_STEPPER_DRIVERS
+#if ENABLED(Y_DUAL_STEPPER_DRIVERS)
+  // Set true if the two Y motors need to rotate in opposite directions
+  #define INVERT_Y2_VS_Y_DIR true
+#endif
+
 // A single Z stepper driver is usually used to drive 2 stepper motors.
-// Uncomment this define to utilize a separate stepper driver for each Z axis motor.
-// Only a few motherboards support this, like RAMPS, which have dual extruder support (the 2nd, often unused, extruder driver is used
-// to control the 2nd Z axis stepper motor). The pins are currently only defined for a RAMPS motherboards.
-// On a RAMPS (or other 5 driver) motherboard, using this feature will limit you to using 1 extruder.
+// Uncomment this option to use a separate stepper driver for each Z axis motor.
+// The next unused E driver will be assigned to the second Z stepper.
 //#define Z_DUAL_STEPPER_DRIVERS
 
 #if ENABLED(Z_DUAL_STEPPER_DRIVERS)
@@ -255,14 +272,6 @@
 
 #endif // Z_DUAL_STEPPER_DRIVERS
 
-// Same again but for Y Axis.
-//#define Y_DUAL_STEPPER_DRIVERS
-
-#if ENABLED(Y_DUAL_STEPPER_DRIVERS)
-  // Define if the two Y drives need to rotate in opposite directions
-  #define INVERT_Y2_VS_Y_DIR true
-#endif
-
 // Enable this for dual x-carriage printers.
 // A dual x-carriage design has the advantage that the inactive extruder can be parked which
 // prevents hot-end ooze contaminating the print. It also reduces the weight of each x-carriage

Marlin/example_configurations/makibox/Configuration_adv.h

@@ -229,11 +229,28 @@
 
 //#define Z_LATE_ENABLE // Enable Z the last moment. Needed if your Z driver overheats.
 
+// Dual X Steppers
+// Uncomment this option to drive two X axis motors.
+// The next unused E driver will be assigned to the second X stepper.
+//#define X_DUAL_STEPPER_DRIVERS
+#if ENABLED(X_DUAL_STEPPER_DRIVERS)
+  // Set true if the two X motors need to rotate in opposite directions
+  #define INVERT_X2_VS_X_DIR true
+#endif
+
+
+// Dual Y Steppers
+// Uncomment this option to drive two Y axis motors.
+// The next unused E driver will be assigned to the second Y stepper.
+//#define Y_DUAL_STEPPER_DRIVERS
+#if ENABLED(Y_DUAL_STEPPER_DRIVERS)
+  // Set true if the two Y motors need to rotate in opposite directions
+  #define INVERT_Y2_VS_Y_DIR true
+#endif
+
 // A single Z stepper driver is usually used to drive 2 stepper motors.
-// Uncomment this define to utilize a separate stepper driver for each Z axis motor.
-// Only a few motherboards support this, like RAMPS, which have dual extruder support (the 2nd, often unused, extruder driver is used
-// to control the 2nd Z axis stepper motor). The pins are currently only defined for a RAMPS motherboards.
-// On a RAMPS (or other 5 driver) motherboard, using this feature will limit you to using 1 extruder.
+// Uncomment this option to use a separate stepper driver for each Z axis motor.
+// The next unused E driver will be assigned to the second Z stepper.
 //#define Z_DUAL_STEPPER_DRIVERS
 
 #if ENABLED(Z_DUAL_STEPPER_DRIVERS)
@@ -255,14 +272,6 @@
 
 #endif // Z_DUAL_STEPPER_DRIVERS
 
-// Same again but for Y Axis.
-//#define Y_DUAL_STEPPER_DRIVERS
-
-#if ENABLED(Y_DUAL_STEPPER_DRIVERS)
-  // Define if the two Y drives need to rotate in opposite directions
-  #define INVERT_Y2_VS_Y_DIR true
-#endif
-
 // Enable this for dual x-carriage printers.
 // A dual x-carriage design has the advantage that the inactive extruder can be parked which
 // prevents hot-end ooze contaminating the print. It also reduces the weight of each x-carriage

Marlin/example_configurations/tvrrug/Round2/Configuration_adv.h

@@ -229,11 +229,28 @@
 
 //#define Z_LATE_ENABLE // Enable Z the last moment. Needed if your Z driver overheats.
 
+// Dual X Steppers
+// Uncomment this option to drive two X axis motors.
+// The next unused E driver will be assigned to the second X stepper.
+//#define X_DUAL_STEPPER_DRIVERS
+#if ENABLED(X_DUAL_STEPPER_DRIVERS)
+  // Set true if the two X motors need to rotate in opposite directions
+  #define INVERT_X2_VS_X_DIR true
+#endif
+
+
+// Dual Y Steppers
+// Uncomment this option to drive two Y axis motors.
+// The next unused E driver will be assigned to the second Y stepper.
+//#define Y_DUAL_STEPPER_DRIVERS
+#if ENABLED(Y_DUAL_STEPPER_DRIVERS)
+  // Set true if the two Y motors need to rotate in opposite directions
+  #define INVERT_Y2_VS_Y_DIR true
+#endif
+
 // A single Z stepper driver is usually used to drive 2 stepper motors.
-// Uncomment this define to utilize a separate stepper driver for each Z axis motor.
-// Only a few motherboards support this, like RAMPS, which have dual extruder support (the 2nd, often unused, extruder driver is used
-// to control the 2nd Z axis stepper motor). The pins are currently only defined for a RAMPS motherboards.
-// On a RAMPS (or other 5 driver) motherboard, using this feature will limit you to using 1 extruder.
+// Uncomment this option to use a separate stepper driver for each Z axis motor.
+// The next unused E driver will be assigned to the second Z stepper.
 //#define Z_DUAL_STEPPER_DRIVERS
 
 #if ENABLED(Z_DUAL_STEPPER_DRIVERS)
@@ -255,14 +272,6 @@
 
 #endif // Z_DUAL_STEPPER_DRIVERS
 
-// Same again but for Y Axis.
-//#define Y_DUAL_STEPPER_DRIVERS
-
-#if ENABLED(Y_DUAL_STEPPER_DRIVERS)
-  // Define if the two Y drives need to rotate in opposite directions
-  #define INVERT_Y2_VS_Y_DIR true
-#endif
-
 // Enable this for dual x-carriage printers.
 // A dual x-carriage design has the advantage that the inactive extruder can be parked which
 // prevents hot-end ooze contaminating the print. It also reduces the weight of each x-carriage