Block TPU on the left extruder without firmware support

resources/printers/O1D.json

@@ -75,7 +75,8 @@
 			"support_extrusion_cali": false,
 			"support_user_preset": false,
 			"support_refresh_nozzle": true,
-			"support_ams_ext_mix_print": true
+			"support_ams_ext_mix_print": true,
+			"support_print_check_firmware_for_tpu_left": true
 		},
 		"model_id": "O1D",
 		"support_wrapping_detection": true,

resources/printers/O1E.json

@@ -75,7 +75,8 @@
 			"support_extrusion_cali": false,
 			"support_user_preset": false,
 			"support_refresh_nozzle": true,
-			"support_ams_ext_mix_print": true
+			"support_ams_ext_mix_print": true,
+			"support_print_check_firmware_for_tpu_left": true
 		},
 		"model_id": "O1E",
 		"auto_pa_cali_thumbnail_image": "fd_calibration_auto_multi_extruders",

src/slic3r/GUI/DeviceCore/DevConfigUtil.h

@@ -103,6 +103,7 @@ public:
 
     /*print check*/
     static bool support_print_check_extension_fan_f000_mounted(const std::string& type_str) { return get_value_from_config<bool>(type_str, "print", "support_print_check_extension_fan_f000_mounted"); }
+    static bool support_print_check_firmware_for_tpu_left(const std::string& type_str) { return get_value_from_config<bool>(type_str, "print", "support_print_check_firmware_for_tpu_left"); }
 
 public:
     template<typename T>

src/slic3r/GUI/DeviceManager.cpp

@@ -5169,6 +5169,10 @@ void MachineObject::parse_new_info(json print)
         is_support_pa_mode = (get_flag_bits_no_border(fun2, 3) == 1);
         is_support_remote_dry = (get_flag_bits_no_border(fun2, 5) == 1);
         is_support_check_track_switch_match_slice_printer = get_flag_bits_no_border(fun2, 19) == 1;
+
+        if (DevPrinterConfigUtil::support_print_check_firmware_for_tpu_left(printer_type)) {
+            m_firmware_support_print_tpu_left = get_flag_bits_no_border(fun2, 7) == 1;
+        }
     }
 
     /*aux*/

src/slic3r/GUI/DeviceManager.hpp

@@ -639,6 +639,7 @@ public:
     bool is_support_remote_dry = false;
     bool is_support_check_track_switch_match_slice_printer{false};
     bool is_support_pa_mode{false};
+    std::optional<bool> m_firmware_support_print_tpu_left;
 
     bool installed_upgrade_kit{false};
     int  bed_temperature_limit = -1;

src/slic3r/GUI/PrePrintChecker.hpp

@@ -48,6 +48,7 @@ enum PrintDialogStatus : unsigned int {
     PrintStatusConnecting,
     PrintStatusReconnecting,
     PrintStatusInUpgrading,
+    PrintStatusFirmwareNotSupportTpuAtLeft,
     PrintStatusModeNotFDM,
     PrintStatusInSystemPrinting,
     PrintStatusInPrinting,

src/slic3r/GUI/SelectMachine.cpp

@@ -2104,6 +2104,10 @@ void SelectMachineDialog::show_status(PrintDialogStatus status, std::vector<wxSt
         // Extra-waste warning: allow Send.
         Enable_Refresh_Button(true);
         Enable_Send_Button(true);
+    } else if (status == PrintDialogStatus::PrintStatusFirmwareNotSupportTpuAtLeft) {
+        // Firmware can't print TPU on the left extruder: block Send.
+        Enable_Refresh_Button(true);
+        Enable_Send_Button(false);
     } else if (status == PrintDialogStatus::PrintStatusFilaSwitcherError) {
         // Missing or un-set-up switch required by the slice: block Send.
         Enable_Refresh_Button(true);
@@ -4161,6 +4165,32 @@ void SelectMachineDialog::update_show_status(MachineObject* obj_)
     // runs after the AMS-validity check and before the per-nozzle blacklist loop (which needs the result).
     if (!CheckErrorSyncNozzleMappingResultV0(obj_)) return;
 
+    // H2-series firmware gate: block Send when TPU is mapped to the left (deputy) extruder on firmware
+    // that can't print it. Inert unless the printer JSON opts in via support_print_check_firmware_for_tpu_left.
+    if (DevPrinterConfigUtil::support_print_check_firmware_for_tpu_left(obj_->printer_type)) {
+        bool has_tpu_left = false;
+        for (const auto& fila : m_ams_mapping_result) {
+            const auto& ams_id  = fila.ams_id;
+            const auto& slot_id = fila.slot_id;
+            if (!obj_->contains_tray(ams_id, slot_id)) {
+                show_status(PrintDialogStatus::PrintStatusAmsMappingInvalid);
+                return;
+            }
+
+            if (obj_->get_extruder_id_by_ams_id(ams_id) == DEPUTY_EXTRUDER_ID &&
+                obj_->get_tray(ams_id, slot_id).get_filament_type() == "TPU") {
+                has_tpu_left = true;
+                break;
+            }
+        }
+
+        if (has_tpu_left && !obj_->m_firmware_support_print_tpu_left.value_or(false)) {
+            show_status(PrintDialogStatus::PrintStatusFirmwareNotSupportTpuAtLeft,
+                        {_L("Your current firmware version cannot start this print job. Please update to the latest version and try again.")});
+            return;
+        }
+    }
+
     // filaments check for black list
     for (auto i = 0; i < m_ams_mapping_result.size(); i++) {
         const auto &ams_id  = m_ams_mapping_result[i].get_ams_id();