diff --git a/resources/images/input_access_code_n1_cn.png b/resources/images/input_access_code_n1_cn.png
new file mode 100644
index 0000000000..773dc0314b
Binary files /dev/null and b/resources/images/input_access_code_n1_cn.png differ
diff --git a/resources/images/input_access_code_n1_en.png b/resources/images/input_access_code_n1_en.png
new file mode 100644
index 0000000000..0ebdf87fc2
Binary files /dev/null and b/resources/images/input_access_code_n1_en.png differ
diff --git a/src/slic3r/GUI/ConnectPrinter.cpp b/src/slic3r/GUI/ConnectPrinter.cpp
index 8c9f790501..e0a5171d3f 100644
--- a/src/slic3r/GUI/ConnectPrinter.cpp
+++ b/src/slic3r/GUI/ConnectPrinter.cpp
@@ -8,7 +8,6 @@ namespace Slic3r { namespace GUI {
 ConnectPrinterDialog::ConnectPrinterDialog(wxWindow *parent, wxWindowID id, const wxString &title, const wxPoint &pos, const wxSize &size, long style)
     : DPIDialog(parent, id, _L("ConnectPrinter(LAN)"), pos, size, style)
 {
-    init_bitmap();
     SetBackgroundColour(*wxWHITE);
     this->SetSizeHints(wxDefaultSize, wxDefaultSize);
 
@@ -86,7 +85,7 @@ ConnectPrinterDialog::ConnectPrinterDialog(wxWindow *parent, wxWindowID id, cons
     wxBoxSizer *sizer_diagram;
     sizer_diagram = new wxBoxSizer(wxHORIZONTAL);
 
-    m_bitmap_diagram = new wxStaticBitmap(this, wxID_ANY, wxNullBitmap, wxDefaultPosition, wxSize(FromDIP(340), FromDIP(190)), 0);
+    m_bitmap_diagram = new wxStaticBitmap(this, wxID_ANY, wxNullBitmap, wxDefaultPosition, wxSize(FromDIP(340), -1), 0);
     m_bitmap_diagram->SetBitmap(m_diagram_img);
     sizer_diagram->Add(m_bitmap_diagram);
 
@@ -117,19 +116,48 @@ void ConnectPrinterDialog::init_bitmap()
 {
     AppConfig *config = get_app_config();
     std::string language = config->get("language");
-    if (language == "zh_CN") {
-        m_diagram_bmp = create_scaled_bitmap("input_access_code_cn", nullptr, 190);
+
+    if (m_obj) {
+        if (m_obj->printer_type == "C11" || m_obj->printer_type == "C12") {
+            m_diagram_bmp = create_scaled_bitmap("input_accesscode_help2", nullptr, 190);
+        }
+        else if (m_obj->printer_type == "BL-P001" || m_obj->printer_type == "BL-P002") {
+            if (language == "zh_CN") {
+                m_diagram_bmp = create_scaled_bitmap("input_access_code_cn", nullptr, 190);
+            }
+            else {
+                m_diagram_bmp = create_scaled_bitmap("input_access_code_en", nullptr, 190);
+            }
+        }
+        else if (m_obj->printer_type == "N1") {
+            if (language == "zh_CN") {
+                m_diagram_bmp = create_scaled_bitmap("input_access_code_n1_cn", nullptr, 250);
+            }
+            else {
+                m_diagram_bmp = create_scaled_bitmap("input_access_code_n1_en", nullptr, 250);
+            }
+        }
     }
-    else{
-        m_diagram_bmp = create_scaled_bitmap("input_access_code_en", nullptr, 190);
+    else {
+        if (language == "zh_CN") {
+            m_diagram_bmp = create_scaled_bitmap("input_access_code_cn", nullptr, 190);
+        }
+        else {
+            m_diagram_bmp = create_scaled_bitmap("input_access_code_en", nullptr, 190);
+        }
     }
     m_diagram_img = m_diagram_bmp.ConvertToImage();
-    m_diagram_img.Rescale(FromDIP(340), FromDIP(190));    
+    auto bmp_size = m_diagram_bmp.GetSize();
+    float scale = (float)FromDIP(340) / (float)bmp_size.x;
+    m_diagram_img.Rescale(FromDIP(340), bmp_size.y * scale);
+    m_bitmap_diagram->SetBitmap(m_diagram_img);
+    Fit();
 }
 
 void ConnectPrinterDialog::set_machine_object(MachineObject* obj)
 {
     m_obj = obj;
+    init_bitmap();
 }
 
 void ConnectPrinterDialog::on_input_enter(wxCommandEvent& evt)
diff --git a/src/slic3r/GUI/ConnectPrinter.hpp b/src/slic3r/GUI/ConnectPrinter.hpp
index d73a3ba63f..db45bd1180 100644
--- a/src/slic3r/GUI/ConnectPrinter.hpp
+++ b/src/slic3r/GUI/ConnectPrinter.hpp
@@ -34,7 +34,7 @@ protected:
     wxBitmap        m_diagram_bmp;
     wxImage         m_diagram_img;
 
-    MachineObject*  m_obj;
+    MachineObject*  m_obj{ nullptr };
     wxString        m_input_access_code;
 public:
     ConnectPrinterDialog(wxWindow *      parent,
diff --git a/src/slic3r/GUI/UpgradePanel.cpp b/src/slic3r/GUI/UpgradePanel.cpp
index 6c57631113..5e7cb41797 100644
--- a/src/slic3r/GUI/UpgradePanel.cpp
+++ b/src/slic3r/GUI/UpgradePanel.cpp
@@ -147,7 +147,7 @@ MachineInfoPanel::MachineInfoPanel(wxWindow* parent, wxWindowID id, const wxPoin
     wxBoxSizer* extra_ams_content_sizer = new wxBoxSizer(wxVERTICAL);
     extra_ams_content_sizer->Add(0, 40, 0, wxEXPAND, FromDIP(5));
     m_extra_ams_panel = new ExtraAmsPanel(this);
-    m_extra_ams_panel->m_staticText_ams->SetLabel("F1");
+    m_extra_ams_panel->m_staticText_ams->SetLabel("AMS Lite");
     extra_ams_content_sizer->Add(m_extra_ams_panel, 0, wxEXPAND, 0);
 
     m_extra_ams_sizer->Add(extra_ams_content_sizer, 1, wxEXPAND, 0);