diff --git a/src/slic3r/GUI/Plater.cpp b/src/slic3r/GUI/Plater.cpp
index 5fee38f4b1..14b0b31f93 100644
--- a/src/slic3r/GUI/Plater.cpp
+++ b/src/slic3r/GUI/Plater.cpp
@@ -378,6 +378,8 @@ struct Sidebar::priv
     ComboBox *      combo_printer_bed = nullptr;
     // Printer - sync
     Button *btn_sync_printer;
+    std::shared_ptr<int> counter_sync_printer = std::make_shared<int>();
+    wxTimer *            timer_sync_printer = new wxTimer();
     // Printer - ams
     ExtruderGroup *left_extruder = nullptr;
     ExtruderGroup *right_extruder = nullptr;
@@ -386,6 +388,8 @@ struct Sidebar::priv
     int  FromDIP(int n) { return plater->FromDIP(n); }
     void layout_printer(bool isBBL, bool isDual);
 
+    void flush_printer_sync(bool restart = false);
+
     PlaterPresetComboBox *combo_print = nullptr;
     std::vector<PlaterPresetComboBox*> combos_filament;
     int editing_filament = -1;
@@ -512,6 +516,17 @@ void Sidebar::priv::layout_printer(bool isBBL, bool isDual)
     vsizer_printer->GetItem(2)->Show(isBBL && !isDual);
 }
 
+void Sidebar::priv::flush_printer_sync(bool restart)
+{
+    if (restart) {
+        *counter_sync_printer = 6;
+        timer_sync_printer->Start(500);
+    }
+    btn_sync_printer->SetBackgroundColorNormal((*counter_sync_printer & 1) ? 0xF8F8F8 : 0x00AE42);
+    if (--*counter_sync_printer <= 0)
+        timer_sync_printer->Stop();
+}
+
 Sidebar::priv::~priv()
 {
     // BBS
@@ -1316,11 +1331,17 @@ Sidebar::Sidebar(Plater *parent)
                 std::pair<wxColour, int>(wxColour(0xEEEEEE), StateColor::Normal));
         btn_sync->SetBackgroundColor(btn_sync_bg_col);
         btn_sync->SetBorderColor(btn_sync_bd_col);
+        btn_sync->SetCanFocus(false);
         btn_sync->SetPaddingSize({FromDIP(6), FromDIP(12)});
         btn_sync->SetMinSize(PRINTER_PANEL_SIZE);
         btn_sync->SetMaxSize(PRINTER_PANEL_SIZE);
         btn_sync->SetVertical();
-        btn_sync->Bind(wxEVT_BUTTON, [this](wxCommandEvent &e) { p->sync_extruder_list(); });
+        btn_sync->Bind(wxEVT_BUTTON, [this](wxCommandEvent &e) {
+            p->sync_extruder_list();
+        });
+        p->timer_sync_printer->Bind(wxEVT_TIMER, [this] (wxTimerEvent & e) {
+            p->flush_printer_sync();
+        });
         p->btn_sync_printer = btn_sync;
 
         p->left_extruder  = new ExtruderGroup(p->m_panel_printer_content, 0, _L("Left"));