diff --git a/src/libslic3r/GCode/ToolOrdering.cpp b/src/libslic3r/GCode/ToolOrdering.cpp
index 96341c315..c64324b47 100644
--- a/src/libslic3r/GCode/ToolOrdering.cpp
+++ b/src/libslic3r/GCode/ToolOrdering.cpp
@@ -1067,14 +1067,6 @@ std::vector<int> ToolOrdering::get_recommended_filament_maps(const std::vector<s
             fg.get_custom_seq = get_custom_seq;
             ret = fg.calc_filament_group();
         }
-
-        // todo: need calculated based on already grouped filaments
-        // PPS-CF/PPA-CF can only be placed on the left extruder
-        for (unsigned int filament_id : used_filaments) {
-            if (print_config.filament_type.get_at(filament_id) == "PPS-CF" || print_config.filament_type.get_at(filament_id) == "PPA-CF") {
-                ret[filament_id] = 0;
-            }
-        }
     }
 
     return ret;
diff --git a/src/libslic3r/Print.cpp b/src/libslic3r/Print.cpp
index a23243cb0..68f2f1103 100644
--- a/src/libslic3r/Print.cpp
+++ b/src/libslic3r/Print.cpp
@@ -2488,8 +2488,24 @@ FilamentMapMode Print::get_filament_map_mode() const
 
 std::vector<std::set<int>> Print::get_physical_unprintable_filaments(const std::vector<unsigned int>& used_filaments) const
 {
-    // master saved in config is 1 based,so we should transfer to 0 based here
-    int master_extruder_id = m_config.master_extruder_id.value - 1;
+    int extruder_num = m_config.nozzle_diameter.size();
+    std::vector<std::set<int>>physical_unprintables(extruder_num);
+    if (extruder_num < 2)
+        return physical_unprintables;
+
+    auto get_unprintable_extruder_id = [&](unsigned int filament_idx)->int {
+        if (m_config.unprintable_filament_types.empty())
+            return -1;
+        for (int eid = 0; eid < m_config.unprintable_filament_types.values.size(); ++eid) {
+            std::vector<std::string> extruder_unprintables = split_string(m_config.unprintable_filament_types.values[eid], ',');
+            auto iter = std::find(extruder_unprintables.begin(), extruder_unprintables.end(), m_config.filament_type.values[filament_idx]);
+            if (iter != extruder_unprintables.end())
+                return eid;
+        }
+        return -1;
+    };
+
+
     std::set<int> tpu_filaments;
     for (auto f : used_filaments) {
         if (m_config.filament_type.get_at(f) == "TPU")
@@ -2499,27 +2515,13 @@ std::vector<std::set<int>> Print::get_physical_unprintable_filaments(const std::
         throw Slic3r::RuntimeError(_u8L("Only supports up to one TPU filament."));
     }
 
-    int extruder_num = m_config.nozzle_diameter.size();
-    // consider tpu, only place tpu in extruder with ams
-    std::vector<std::set<int>>physical_unprintables(extruder_num);
-    if (extruder_num < 2)
-        return physical_unprintables;
-
-    int extruder_without_tpu = 1 - master_extruder_id;
-    for (auto& f : tpu_filaments)
-        physical_unprintables[extruder_without_tpu].insert(f);
-
-    // consider nozzle hrc, nozzle hrc should larger than filament hrc
-    for (size_t eid = 0; eid < physical_unprintables.size(); ++eid) {
-        auto nozzle_type = m_config.nozzle_type.get_at(eid);
-        int nozzle_hrc = get_hrc_by_nozzle_type(NozzleType(nozzle_type));
-        for (auto& f : used_filaments) {
-            int filament_hrc = m_config.required_nozzle_HRC.get_at(f);
-            if(filament_hrc>nozzle_hrc){
-                physical_unprintables[eid].insert(f);
-            }
-        }
+    for (auto f : used_filaments) {
+        int extruder_id = get_unprintable_extruder_id(f);
+        if (extruder_id == -1)
+            continue;
+        physical_unprintables[extruder_id].insert(f);
     }
+
     return physical_unprintables;
 }
 
diff --git a/src/slic3r/GUI/GLCanvas3D.cpp b/src/slic3r/GUI/GLCanvas3D.cpp
index cdf34d1c7..0c061c005 100644
--- a/src/slic3r/GUI/GLCanvas3D.cpp
+++ b/src/slic3r/GUI/GLCanvas3D.cpp
@@ -10603,10 +10603,10 @@ void GLCanvas3D::_set_warning_notification(EWarning warning, bool state)
             }
             std::string extruder_name = extruder_name_list[extruder_id-1];
             if (error_iter->second.size() == 1) {
-                text += (boost::format(_u8L("Filament %d is placed in the %s, but the generated G-code path exceeds the printable range of the %s.")) %filaments %extruder_name %extruder_name).str();
+                text += (boost::format(_u8L("Filament %s is placed in the %s, but the generated G-code path exceeds the printable range of the %s.")) %filaments %extruder_name %extruder_name).str();
             }
             else {
-                text += (boost::format(_u8L("Filaments %d is placed in the %s, but the generated G-code path exceeds the printable range of the %s.")) %filaments %extruder_name %extruder_name).str();
+                text += (boost::format(_u8L("Filaments %s is placed in the %s, but the generated G-code path exceeds the printable range of the %s.")) %filaments %extruder_name %extruder_name).str();
             }
         }
         error = ErrorType::SLICING_LIMIT_ERROR;
@@ -10639,7 +10639,7 @@ void GLCanvas3D::_set_warning_notification(EWarning warning, bool state)
             std::string filaments;
             int         index = 0;
             for (auto filament_id : filament_ids) {
-                if (index == 0) {
+                if (index > 0) {
                     filaments += ", ";
                 }
                 filaments += std::to_string(filament_id);
@@ -10656,9 +10656,9 @@ void GLCanvas3D::_set_warning_notification(EWarning warning, bool state)
             }
             std::string extruder_name = extruder_name_list[extruder_id-1];
             if (error_iter->second.size() == 1) {
-                text += (boost::format(_u8L("Filament %d is placed in the %s, but the generated G-code path exceeds the printable height of the %s.")) % filaments % extruder_name % extruder_name).str();
+                text += (boost::format(_u8L("Filament %s is placed in the %s, but the generated G-code path exceeds the printable height of the %s.")) % filaments % extruder_name % extruder_name).str();
             } else {
-                text += (boost::format(_u8L("Filaments %d is placed in the %s, but the generated G-code path exceeds the printable height of the %s.")) % filaments % extruder_name % extruder_name).str();
+                text += (boost::format(_u8L("Filaments %s is placed in the %s, but the generated G-code path exceeds the printable height of the %s.")) % filaments % extruder_name % extruder_name).str();
             }
         }
         if (!text.empty()) {