diff --git a/src/libslic3r/GCode.cpp b/src/libslic3r/GCode.cpp
index e15c5808b5..d3330c3000 100644
--- a/src/libslic3r/GCode.cpp
+++ b/src/libslic3r/GCode.cpp
@@ -2084,7 +2084,7 @@ void GCode::_do_export(Print& print, GCodeOutputStream &file, ThumbnailsGenerato
     file.write_format("; EXECUTABLE_BLOCK_START\n");
 
     // SoftFever
-    if( m_config.gcode_flavor.value == gcfKlipper && m_enable_exclude_object)
+    if( m_enable_exclude_object)
         file.write(set_object_info(&print));
 
     // adds tags for time estimators
@@ -4036,10 +4036,16 @@ LayerResult GCode::process_layer(
                             std::string("; start printing object, unique label id: ") +
                             std::to_string(instance_to_print.label_object_id) + "\n" + "M624 " +
                             _encode_label_ids_to_base64({instance_to_print.label_object_id}) + "\n");
-                    } else if (print.config().gcode_flavor.value == gcfKlipper) {
-                        m_writer.set_object_start_str(std::string("EXCLUDE_OBJECT_START NAME=") +
-                                                      get_instance_name(&instance_to_print.print_object, inst.id) +
-                                                      "\n");
+                    } else {
+                        const auto gflavor = print.config().gcode_flavor.value;
+                        if (gflavor == gcfKlipper) {
+                            m_writer.set_object_start_str(std::string("EXCLUDE_OBJECT_START NAME=") +
+                                                          get_instance_name(&instance_to_print.print_object, inst.id) + "\n");
+                        }
+                        else if (gflavor == gcfMarlinLegacy || gflavor == gcfMarlinFirmware || gflavor == gcfRepRapFirmware) {
+                            std::string str = std::string("M486 S") + std::to_string(inst.unique_id) + "\n";
+                            m_writer.set_object_start_str(str);
+                        }
                     }
                 }
 
@@ -4187,9 +4193,14 @@ LayerResult GCode::process_layer(
                         m_writer.set_object_end_str(std::string("; stop printing object, unique label id: ") +
                                                     std::to_string(instance_to_print.label_object_id) + "\n" +
                                                     "M625\n");
-                    } else if (print.config().gcode_flavor.value == gcfKlipper) {
-                        m_writer.set_object_end_str(std::string("EXCLUDE_OBJECT_END NAME=") +
-                                                    get_instance_name(&instance_to_print.print_object, inst.id) + "\n");
+                    } else {
+                        const auto gflavor = print.config().gcode_flavor.value;
+                        if (gflavor == gcfKlipper) {
+                            m_writer.set_object_end_str(std::string("EXCLUDE_OBJECT_END NAME=") +
+                                                        get_instance_name(&instance_to_print.print_object, inst.id) + "\n");
+                        } else if (gflavor == gcfMarlinLegacy || gflavor == gcfMarlinFirmware || gflavor == gcfRepRapFirmware) {
+                            m_writer.set_object_end_str(std::string("M486 S-1\n"));
+                        }
                     }
                 }
             }
@@ -5803,6 +5814,9 @@ inline std::string polygon_to_string(const Polygon &polygon, Print *print, bool
 // this function iterator PrintObject and assign a seqential id to each object.
 // this id is used to generate unique object id for each object.
 std::string GCode::set_object_info(Print *print) {
+    const auto gflavor = print->config().gcode_flavor.value;
+    if (gflavor != gcfKlipper && gflavor != gcfMarlinLegacy && gflavor != gcfMarlinFirmware && gflavor != gcfRepRapFirmware)
+        return "";
     std::ostringstream gcode;
     size_t object_id = 0;
     // Orca: check if we are in pa calib mode
@@ -5818,18 +5832,27 @@ std::string GCode::set_object_info(Print *print) {
               << "Orca-PA-Calibration-Test"
               << " CENTER=" << 0 << "," << 0 << " POLYGON=" << polygon_to_string(polygon_bed, print, true) << "\n";
     } else {
-        for (PrintObject *object : print->objects()) {
+        size_t unique_id = 0;
+        for (PrintObject* object : print->objects()) {
             object->set_id(object_id++);
             size_t inst_id = 0;
-            for (PrintInstance &inst : object->instances()) {
-                inst.id = inst_id++;
-                if (this->config().exclude_object && print->config().gcode_flavor.value == gcfKlipper) {
-                    auto bbox = inst.get_bounding_box();
-                    auto center = print->translate_to_print_space(Vec2d(bbox.center().x(), bbox.center().y()));
-
-                    gcode << "EXCLUDE_OBJECT_DEFINE NAME=" << get_instance_name(object, inst)
-                          << " CENTER=" << center.x() << "," << center.y()
+            for (PrintInstance& inst : object->instances()) {
+                inst.unique_id = unique_id++;
+                inst.id        = inst_id++;
+                auto bbox      = inst.get_bounding_box();
+                auto center    = print->translate_to_print_space(Vec2d(bbox.center().x(), bbox.center().y()));
+                auto inst_name = get_instance_name(object, inst);
+                if (gflavor == gcfKlipper) {
+                    gcode << "EXCLUDE_OBJECT_DEFINE NAME=" << inst_name << " CENTER=" << center.x() << "," << center.y()
                           << " POLYGON=" << polygon_to_string(inst.get_convex_hull_2d(), print) << "\n";
+                } else if (gflavor == gcfMarlinLegacy || gflavor == gcfMarlinFirmware || gflavor == gcfRepRapFirmware) {
+                    gcode << "M486 S" << std::to_string(inst.unique_id);
+                    if (gflavor == gcfRepRapFirmware)
+                        gcode << " A"
+                              << "\"" << inst_name << "\"";
+                    else
+                        gcode << "\nM486 A" << inst_name;
+                    gcode << "\nM486 S-1\n";
                 }
             }
         }
diff --git a/src/libslic3r/Print.hpp b/src/libslic3r/Print.hpp
index 440d72e05e..231761f957 100644
--- a/src/libslic3r/Print.hpp
+++ b/src/libslic3r/Print.hpp
@@ -204,6 +204,8 @@ struct PrintInstance
     // 
     // instance id
     size_t               id;
+    // Orca: unique id used by marlin/rrf cancel object feature
+    size_t               unique_id;
 
     //BBS: instance_shift is too large because of multi-plate, apply without plate offset.
     Point shift_without_plate_offset() const;