diff --git a/Marlin/src/inc/Conditionals_post.h b/Marlin/src/inc/Conditionals_post.h
index f00dd6ec97..7fabef7e63 100644
--- a/Marlin/src/inc/Conditionals_post.h
+++ b/Marlin/src/inc/Conditionals_post.h
@@ -2539,7 +2539,9 @@
 #endif
 
 #if HAS_TEMPERATURE && EITHER(HAS_LCD_MENU, DWIN_CREALITY_LCD)
-  #ifdef PREHEAT_5_LABEL
+  #ifdef PREHEAT_6_LABEL
+    #define PREHEAT_COUNT 6
+  #elif defined(PREHEAT_5_LABEL)
     #define PREHEAT_COUNT 5
   #elif defined(PREHEAT_4_LABEL)
     #define PREHEAT_COUNT 4
diff --git a/Marlin/src/lcd/dogm/dogm_Statusscreen.h b/Marlin/src/lcd/dogm/dogm_Statusscreen.h
index 6d2c5369dc..61d22a28ec 100644
--- a/Marlin/src/lcd/dogm/dogm_Statusscreen.h
+++ b/Marlin/src/lcd/dogm/dogm_Statusscreen.h
@@ -281,7 +281,9 @@
     #define STATUS_HOTEND8_WIDTH STATUS_HOTEND7_WIDTH
   #endif
 
-  constexpr uint8_t status_hotend_width[HOTENDS] = ARRAY_N(HOTENDS, STATUS_HOTEND1_WIDTH, STATUS_HOTEND2_WIDTH, STATUS_HOTEND3_WIDTH, STATUS_HOTEND4_WIDTH, STATUS_HOTEND5_WIDTH, STATUS_HOTEND6_WIDTH, STATUS_HOTEND7_WIDTH, STATUS_HOTEND8_WIDTH);
+  #define _SHNAME(N,T) STATUS_HOTEND##N##_##T,
+
+  constexpr uint8_t status_hotend_width[HOTENDS] = { REPEAT2_S(1, INCREMENT(HOTENDS), _SHNAME, WIDTH) };
   #define STATUS_HOTEND_WIDTH(N) status_hotend_width[N]
 
   #ifndef STATUS_HOTEND1_BYTEWIDTH
@@ -309,7 +311,7 @@
     #define STATUS_HOTEND8_BYTEWIDTH BW(STATUS_HOTEND8_WIDTH)
   #endif
 
-  constexpr uint8_t status_hotend_bytewidth[HOTENDS] = ARRAY_N(HOTENDS, STATUS_HOTEND1_BYTEWIDTH, STATUS_HOTEND2_BYTEWIDTH, STATUS_HOTEND3_BYTEWIDTH, STATUS_HOTEND4_BYTEWIDTH, STATUS_HOTEND5_BYTEWIDTH, STATUS_HOTEND6_BYTEWIDTH, STATUS_HOTEND7_BYTEWIDTH, STATUS_HOTEND8_BYTEWIDTH);
+  constexpr uint8_t status_hotend_bytewidth[HOTENDS] = { REPEAT2_S(1, INCREMENT(HOTENDS), _SHNAME, BYTEWIDTH) };
   #define STATUS_HOTEND_BYTEWIDTH(N) status_hotend_bytewidth[N]
 
   #ifndef STATUS_HOTEND1_X
@@ -339,7 +341,7 @@
       #define STATUS_HOTEND8_X STATUS_HOTEND7_X + STATUS_HEATERS_XSPACE
     #endif
 
-    constexpr uint8_t status_hotend_x[HOTENDS] = ARRAY_N(HOTENDS, STATUS_HOTEND1_X, STATUS_HOTEND2_X, STATUS_HOTEND3_X, STATUS_HOTEND4_X, STATUS_HOTEND5_X, STATUS_HOTEND6_X, STATUS_HOTEND7_X, STATUS_HOTEND8_X);
+    constexpr uint8_t status_hotend_x[HOTENDS] = { REPEAT2_S(1, INCREMENT(HOTENDS), _SHNAME, X) };
     #define STATUS_HOTEND_X(N) status_hotend_x[N]
   #elif HAS_MULTI_HOTEND
     #define STATUS_HOTEND_X(N) ((N) ? STATUS_HOTEND2_X : STATUS_HOTEND1_X)
@@ -370,13 +372,15 @@
       #ifndef STATUS_HOTEND8_TEXT_X
         #define STATUS_HOTEND8_TEXT_X STATUS_HOTEND7_TEXT_X + STATUS_HEATERS_XSPACE
       #endif
-      constexpr uint8_t status_hotend_text_x[] = ARRAY_N(HOTENDS, STATUS_HOTEND1_TEXT_X, STATUS_HOTEND2_TEXT_X, STATUS_HOTEND3_TEXT_X, STATUS_HOTEND4_TEXT_X, STATUS_HOTEND5_TEXT_X, STATUS_HOTEND6_TEXT_X, STATUS_HOTEND7_TEXT_X, STATUS_HOTEND8_TEXT_X);
+      constexpr uint8_t status_hotend_text_x[HOTENDS] = { REPEAT2_S(1, INCREMENT(HOTENDS), _SHNAME, TEXT_X) };
       #define STATUS_HOTEND_TEXT_X(N) status_hotend_text_x[N]
     #else
       #define STATUS_HOTEND_TEXT_X(N) (STATUS_HOTEND1_X + 6 + (N) * (STATUS_HEATERS_XSPACE))
     #endif
   #endif
 
+  #undef _SHNAME
+
   #if STATUS_HOTEND_BITMAPS > 1 && DISABLED(STATUS_HOTEND_NUMBERLESS)
     #define TEST_BITMAP_OFF status_hotend1_a_bmp
     #define TEST_BITMAP_ON  status_hotend1_b_bmp
diff --git a/Marlin/src/lcd/marlinui.cpp b/Marlin/src/lcd/marlinui.cpp
index 149da8b54e..812dac53b7 100644
--- a/Marlin/src/lcd/marlinui.cpp
+++ b/Marlin/src/lcd/marlinui.cpp
@@ -112,25 +112,10 @@ constexpr uint8_t epps = ENCODER_PULSES_PER_STEP;
 #if PREHEAT_COUNT
   preheat_t MarlinUI::material_preset[PREHEAT_COUNT];  // Initialized by settings.load()
   PGM_P MarlinUI::get_preheat_label(const uint8_t m) {
-    #ifdef PREHEAT_1_LABEL
-      static PGMSTR(preheat_0_label, PREHEAT_1_LABEL);
-    #endif
-    #ifdef PREHEAT_2_LABEL
-      static PGMSTR(preheat_1_label, PREHEAT_2_LABEL);
-    #endif
-    #ifdef PREHEAT_3_LABEL
-      static PGMSTR(preheat_2_label, PREHEAT_3_LABEL);
-    #endif
-    #ifdef PREHEAT_4_LABEL
-      static PGMSTR(preheat_3_label, PREHEAT_4_LABEL);
-    #endif
-    #ifdef PREHEAT_5_LABEL
-      static PGMSTR(preheat_4_label, PREHEAT_5_LABEL);
-    #endif
-
+    #define _PDEF(N) static PGMSTR(preheat_##N##_label, PREHEAT_##N##_LABEL);
     #define _PLBL(N) preheat_##N##_label,
-    static PGM_P const preheat_labels[PREHEAT_COUNT] PROGMEM = { REPEAT(PREHEAT_COUNT, _PLBL) };
-
+    REPEAT_S(1, INCREMENT(PREHEAT_COUNT), _PDEF);
+    static PGM_P const preheat_labels[PREHEAT_COUNT] PROGMEM = { REPEAT_S(1, INCREMENT(PREHEAT_COUNT), _PLBL) };
     return (PGM_P)pgm_read_ptr(&preheat_labels[m]);
   }
 #endif
diff --git a/Marlin/src/module/settings.cpp b/Marlin/src/module/settings.cpp
index 915886fe4a..4273c4b062 100644
--- a/Marlin/src/module/settings.cpp
+++ b/Marlin/src/module/settings.cpp
@@ -2780,25 +2780,20 @@ void MarlinSettings::reset() {
   // Preheat parameters
   //
   #if PREHEAT_COUNT
+    #define _PITEM(N,T) PREHEAT_##N##_##T,
     #if HAS_HOTEND
-      constexpr uint16_t hpre[] = ARRAY_N(PREHEAT_COUNT, PREHEAT_1_TEMP_HOTEND, PREHEAT_2_TEMP_HOTEND, PREHEAT_3_TEMP_HOTEND, PREHEAT_4_TEMP_HOTEND, PREHEAT_5_TEMP_HOTEND);
+      constexpr uint16_t hpre[] = { REPEAT2_S(1, INCREMENT(PREHEAT_COUNT), _PITEM, TEMP_HOTEND) };
     #endif
     #if HAS_HEATED_BED
-      constexpr uint16_t bpre[] = ARRAY_N(PREHEAT_COUNT, PREHEAT_1_TEMP_BED, PREHEAT_2_TEMP_BED, PREHEAT_3_TEMP_BED, PREHEAT_4_TEMP_BED, PREHEAT_5_TEMP_BED);
+      constexpr uint16_t bpre[] = { REPEAT2_S(1, INCREMENT(PREHEAT_COUNT), _PITEM, TEMP_BED) };
     #endif
     #if HAS_FAN
-      constexpr uint8_t fpre[] = ARRAY_N(PREHEAT_COUNT, PREHEAT_1_FAN_SPEED, PREHEAT_2_FAN_SPEED, PREHEAT_3_FAN_SPEED, PREHEAT_4_FAN_SPEED, PREHEAT_5_FAN_SPEED);
+      constexpr uint8_t fpre[] = { REPEAT2_S(1, INCREMENT(PREHEAT_COUNT), _PITEM, FAN_SPEED) };
     #endif
     LOOP_L_N(i, PREHEAT_COUNT) {
-      #if HAS_HOTEND
-        ui.material_preset[i].hotend_temp = hpre[i];
-      #endif
-      #if HAS_HEATED_BED
-        ui.material_preset[i].bed_temp = bpre[i];
-      #endif
-      #if HAS_FAN
-        ui.material_preset[i].fan_speed = fpre[i];
-      #endif
+      TERN_(HAS_HOTEND,     ui.material_preset[i].hotend_temp = hpre[i]);
+      TERN_(HAS_HEATED_BED, ui.material_preset[i].bed_temp = bpre[i]);
+      TERN_(HAS_FAN,        ui.material_preset[i].fan_speed = fpre[i]);
     }
   #endif
 
diff --git a/Marlin/src/pins/rambo/pins_EINSY_RAMBO.h b/Marlin/src/pins/rambo/pins_EINSY_RAMBO.h
index 7b05d454af..fb7743605f 100644
--- a/Marlin/src/pins/rambo/pins_EINSY_RAMBO.h
+++ b/Marlin/src/pins/rambo/pins_EINSY_RAMBO.h
@@ -27,7 +27,10 @@
 
 #include "env_validate.h"
 
-#define BOARD_INFO_NAME "Einsy Rambo"
+#define BOARD_INFO_NAME       "Einsy Rambo"
+#define DEFAULT_MACHINE_NAME  "Prusa MK3"
+
+//#define MK3_FAN_PINS
 
 //
 // TMC2130 Configuration_adv defaults for EinsyRambo
@@ -123,11 +126,19 @@
 #define HEATER_BED_PIN                         4
 
 #ifndef FAN_PIN
-  #define FAN_PIN                              8
+  #ifdef MK3_FAN_PINS
+    #define FAN_PIN                            6
+  #else
+    #define FAN_PIN                            8
+  #endif
 #endif
 
 #ifndef FAN1_PIN
-  #define FAN1_PIN                             6
+  #ifdef MK3_FAN_PINS
+    #define FAN_PIN                           -1
+  #else
+    #define FAN_PIN                            6
+  #endif
 #endif
 
 //
@@ -192,3 +203,5 @@
 
   #endif // IS_ULTIPANEL || TOUCH_UI_ULTIPANEL
 #endif // HAS_WIRED_LCD
+
+#undef MK3_FAN_PINS