diff --git a/Firmware/mmu2.cpp b/Firmware/mmu2.cpp
index 3c837d100..41071cdb2 100644
--- a/Firmware/mmu2.cpp
+++ b/Firmware/mmu2.cpp
@@ -275,29 +275,49 @@ bool MMU2::VerifyFilamentEnteredPTFE()
 
 void MMU2::ToolChangeCommon(uint8_t slot){
     for(;;) { // while not successfully fed into extruder's PTFE tube
-        for(;;) {
-            tool_change_extruder = slot;
-            logic.ToolChange(slot); // let the MMU pull the filament out and push a new one in
-            if( manage_response(true, true) )
+        uint8_t retries = 3;
+        for(/*nothing*/; retries; --retries){
+            for(;;) {
+                tool_change_extruder = slot;
+                logic.ToolChange(slot); // let the MMU pull the filament out and push a new one in
+                if( manage_response(true, true) )
+                    break;
+                // otherwise: failed to perform the command - unload first and then let it run again
+                IncrementMMUFails();
+
+                // just in case we stood in an error screen for too long and the hotend got cold
+                ResumeHotendTemp();
+                // if the extruder has been parked, it will get unparked once the ToolChange command finishes OK
+                // - so no ResumeUnpark() at this spot
+
+                unload();
+                // if we run out of retries, we must do something ... may be raise an error screen and allow the user to do something
+                // but honestly - if the MMU restarts during every toolchange,
+                // something else is seriously broken and stopping a print is probably our best option.
+            }
+            // reset current position to whatever the planner thinks it is
+            plan_set_e_position(current_position[E_AXIS]);
+            if (VerifyFilamentEnteredPTFE()){
                 break;
-            // otherwise: failed to perform the command - unload first and then let it run again
-            IncrementMMUFails();
-
-            // just in case we stood in an error screen for too long and the hotend got cold
-            ResumeHotendTemp();
-            // if the extruder has been parked, it will get unparked once the ToolChange command finishes OK
-            // - so no ResumeUnpark() at this spot
-
-            unload();
-            // if we run out of retries, we must do something ... may be raise an error screen and allow the user to do something
-            // but honestly - if the MMU restarts during every toolchange,
-            // something else is seriously broken and stopping a print is probably our best option.
+            } else { // Prepare a retry attempt
+                unload(); // @@TODO cut filament
+                // cut_filament(slot);
+            }
         }
-        // reset current position to whatever the planner thinks it is
-        plan_set_e_position(current_position[E_AXIS]);
-        if (VerifyFilamentEnteredPTFE()) break;
-        else { // Prepare a retry attempt
-            unload(); // TODO cut filament
+        if( retries ){
+            // we were successful in pushing the filament into the nozzle
+            break;
+        } else {
+            // failed autoretry, report an error by forcing a "printer" error into the MMU infrastructure - it is a hack to leverage existing code
+            logic.SetPrinterError(ErrorCode::TRY_LOAD_UNLOAD_FAILED);
+            SaveAndPark(true);
+            SaveHotendTemp(true);
+            // We only have to wait for the user to fix the issue and press "Retry".
+            // @@TODO Do we need to process the return value of manage_response?
+            manage_response(true, true);
+            logic.ClearPrinterError();
+            ResumeHotendTemp();
+            ResumeUnpark();
         }
     }
 
@@ -747,6 +767,7 @@ bool MMU2::manage_response(const bool move_axes, const bool turn_off_nozzle) {
             // now what :D ... big bad ... ramming, unload, retry the whole command originally issued
             return false;
         case VersionMismatch: // this basically means the MMU will be disabled until reconnected
+        case PrinterError:
             CheckUserInput();
             return true;
         case CommandError:
@@ -810,6 +831,9 @@ StepStatus MMU2::LogicStep(bool reportErrors) {
                 StopKeepPowered();
                 ReportError(ErrorCode::VERSION_MISMATCH, ErrorSourcePrinter);
                 break;
+            case PrinterError:
+                ReportError(logic.PrinterError(), ErrorSourcePrinter);
+                break;
             default:
                 break;
             }
diff --git a/Firmware/mmu2/error_codes.h b/Firmware/mmu2/error_codes.h
index 7f1478f9a..902a8ae17 100644
--- a/Firmware/mmu2/error_codes.h
+++ b/Firmware/mmu2/error_codes.h
@@ -56,6 +56,7 @@ enum class ErrorCode : uint_fast16_t {
 
     QUEUE_FULL = 0x802b, ///< E32811 internal logic error - attempt to move with a full queue
 
+    TRY_LOAD_UNLOAD_FAILED = 0x802b, ///< E32811 internal error of the printer - try-load-unload sequence detected missing filament -> failed load into the nozzle
     VERSION_MISMATCH = 0x802c, ///< E32812 internal error of the printer - incompatible version of the MMU FW
     PROTOCOL_ERROR = 0x802d, ///< E32813 internal error of the printer - communication with the MMU got garbled - protocol decoder couldn't decode the incoming messages
     MMU_NOT_RESPONDING = 0x802e, ///< E32814 internal error of the printer - communication with the MMU is not working
diff --git a/Firmware/mmu2_protocol_logic.cpp b/Firmware/mmu2_protocol_logic.cpp
index ba898fdd3..67f59d317 100644
--- a/Firmware/mmu2_protocol_logic.cpp
+++ b/Firmware/mmu2_protocol_logic.cpp
@@ -800,7 +800,8 @@ StepStatus ProtocolLogic::Step() {
     default:
         break;
     }
-    return currentStatus;
+    // special handling of explicit printer errors
+    return IsPrinterError() ? StepStatus::PrinterError : currentStatus;
 }
 
 uint8_t ProtocolLogic::CommandInProgress() const {
diff --git a/Firmware/mmu2_protocol_logic.h b/Firmware/mmu2_protocol_logic.h
index 184f6f866..7a10125d0 100644
--- a/Firmware/mmu2_protocol_logic.h
+++ b/Firmware/mmu2_protocol_logic.h
@@ -40,6 +40,7 @@ enum StepStatus : uint_fast8_t {
     CommandRejected,      ///< the MMU rejected the command due to some other command in progress, may be the user is operating the MMU locally (button commands)
     CommandError,         ///< the command in progress stopped due to unrecoverable error, user interaction required
     VersionMismatch,      ///< the MMU reports its firmware version incompatible with our implementation
+    PrinterError,         ///< printer's explicit error - MMU is fine, but the printer was unable to complete the requested operation
     CommunicationRecovered,
     ButtonPushed, ///< The MMU reported the user pushed one of its three buttons.
 };
@@ -141,6 +142,19 @@ public:
     inline uint8_t MmuFwVersionRevision() const {
         return mmuFwVersion[2];
     }
+
+    inline void SetPrinterError(ErrorCode ec){
+        explicitPrinterError = ec;
+    }
+    inline void ClearPrinterError(){
+        explicitPrinterError = ErrorCode::OK;
+    }
+    inline bool IsPrinterError()const {
+        return explicitPrinterError != ErrorCode::OK;
+    }
+    inline ErrorCode PrinterError() const {
+        return explicitPrinterError;
+    }
 #ifndef UNITTEST
 private:
 #endif
@@ -162,6 +176,8 @@ private:
     StepStatus SwitchFromIdleToCommand();
     void SwitchFromStartToIdle();
 
+    ErrorCode explicitPrinterError;
+
     enum class State : uint_fast8_t {
         Stopped,      ///< stopped for whatever reason
         InitSequence, ///< initial sequence running