diff --git a/Marlin/Marlin_main.cpp b/Marlin/Marlin_main.cpp
index fa9d1742a6..7bd45c57a5 100644
--- a/Marlin/Marlin_main.cpp
+++ b/Marlin/Marlin_main.cpp
@@ -10882,7 +10882,7 @@ inline void gcode_M502() {
    */
   inline void gcode_M7219() {
     if (parser.seen('I'))
-      Max7219_init();
+      Max7219_Clear();
     else if (parser.seenval('R')) {
       const uint8_t r = parser.value_int();
       Max7219_Set_Row(r, parser.byteval('V'));
diff --git a/Marlin/Max7219_Debug_LEDs.cpp b/Marlin/Max7219_Debug_LEDs.cpp
index 2defab26cf..eba1ffcd27 100644
--- a/Marlin/Max7219_Debug_LEDs.cpp
+++ b/Marlin/Max7219_Debug_LEDs.cpp
@@ -242,6 +242,10 @@ void Max7219_Clear_Column(const uint8_t _COL_) {
   #endif
 }
 
+void Max7219_Clear() {
+  for (uint8_t r = 0; r < 8; r++) _Max7219_Set_Reg(r, 0);
+}
+
 void Max7219_Set_2_Rows(const uint8_t y, uint16_t val) {
   if (y > 6) return Max7219_Error(PSTR("Max7219_Set_2_Rows"), y, val);
   Max7219_Set_Row(y + 0, val & 0xFF); val >>= 8;
diff --git a/Marlin/Max7219_Debug_LEDs.h b/Marlin/Max7219_Debug_LEDs.h
index dec159cee9..f00f231749 100644
--- a/Marlin/Max7219_Debug_LEDs.h
+++ b/Marlin/Max7219_Debug_LEDs.h
@@ -77,6 +77,9 @@ void Max7219_Clear_Column(const uint8_t col);
 void Max7219_Set_Row(const uint8_t row, const uint8_t val);
 void Max7219_Clear_Row(const uint8_t row);
 
+// Quickly clear the whole matrix
+void Max7219_Clear();
+
 // Apply custom code to update the matrix
 void Max7219_idle_tasks();