diff --git a/src/gui/settingsdialog.cpp b/src/gui/settingsdialog.cpp
index a7533fb..b14622a 100644
--- a/src/gui/settingsdialog.cpp
+++ b/src/gui/settingsdialog.cpp
@@ -6,7 +6,6 @@
 #include <posprinter.h>
 
 #include <exception>
-#include <stdexcept>
 
 #include <QMessageBox>
 #include <QSettings>
@@ -17,7 +16,7 @@ SettingsDialog::SettingsDialog(QWidget* parent, Qt::WindowFlags f) : QDialog(par
 
     QSettings settings{};
     int cashPointNo = settings.value("global/cashPointNo").toInt();
-    QString posPrinterDevice = settings.value("global/posPrinterDevice").toString();
+    // QString posPrinterDevice = settings.value("global/posPrinterDevice").toString();
     int feeInPercent = settings.value("global/feeInPercent").toInt();
     int maxFeeInEuro = settings.value("global/maxFeeInEuro").toInt();
 
@@ -25,44 +24,26 @@ SettingsDialog::SettingsDialog(QWidget* parent, Qt::WindowFlags f) : QDialog(par
         market_ = dynamic_cast<MainWindow*>(parent)->getMarketplace();
 
     ui_.cashPointNoSpinBox->setValue(cashPointNo);
-    ui_.posPrinterDeviceEdit->setText(posPrinterDevice);
+    // ui_.posPrinterDeviceEdit->setText(posPrinterDevice);
     ui_.feePercentSpinBox->setValue(feeInPercent);
     ui_.maxFeeSpinBox->setValue(maxFeeInEuro);
 
     connect(ui_.testPosPrinterButton, &QPushButton::clicked, this, [=]() {
         using namespace std::string_literals;
         try {
-            if (ui_.posPrinterDeviceEdit->text().isEmpty()) {
-                PosPrinter printer;
-                printer.printTest();
-            } else {
-                std::string posPrinterDeviceString = ui_.posPrinterDeviceEdit->text().toStdString();
-                std::string delimiter = ":";
-                PrinterDevice printerDevice;
-                try {
-                    printerDevice.idVendor = std::stoi(
-                        posPrinterDeviceString.substr(0, posPrinterDeviceString.find(delimiter)), 0,
-                        16);
-                    printerDevice.idProduct = std::stoi(
-                        posPrinterDeviceString.substr(posPrinterDeviceString.find(delimiter) + 1),
-                        0, 16);
-                } catch (std::exception&) {
-                    QMessageBox(QMessageBox::Icon::Warning, "Falsche Eingabe",
-                                QString("Eingabeformat für den Bondrucker (hexadezimale IDs): "
-                                        "<VendorID>:<ProductID>\nBeispiel: 0416:5011"),
-                                QMessageBox::StandardButton::Ok, this)
-                        .exec();
-                    return;
-                }
+            PosPrinter printer;
+            printer.printTest();
+            if (printer.isValid())
+                this->ui_.posPrinterDeviceEdit->setText("<gefunden>");
+            else
+                this->ui_.posPrinterDeviceEdit->setText("<nicht gefunden>");
 
-                PosPrinter printer(printerDevice);
-                printer.printTest();
-            }
         } catch (std::runtime_error& err) {
             QMessageBox(QMessageBox::Icon::Warning, "Bondrucker Fehler",
                         QString("Test schlug fehl: ") + err.what(), QMessageBox::StandardButton::Ok,
                         this)
                 .exec();
+            this->ui_.posPrinterDeviceEdit->setText("<Fehler>");
             return;
         }
     });
@@ -75,7 +56,7 @@ void SettingsDialog::accept()
     int oldCashPointNo = settings.value("global/cashPointNo").toInt();
     int newCashPointNo = ui_.cashPointNoSpinBox->value();
 
-    settings.setValue("global/posPrinterDevice", ui_.posPrinterDeviceEdit->text());
+    // settings.setValue("global/posPrinterDevice", ui_.posPrinterDeviceEdit->text());
     settings.setValue("global/feeInPercent", ui_.feePercentSpinBox->value());
     settings.setValue("global/maxFeeInEuro", ui_.maxFeeSpinBox->value());
 
diff --git a/src/gui/settingsdialog.ui b/src/gui/settingsdialog.ui
index d965f7f..8aefef0 100644
--- a/src/gui/settingsdialog.ui
+++ b/src/gui/settingsdialog.ui
@@ -7,7 +7,7 @@
     <x>0</x>
     <y>0</y>
     <width>400</width>
-    <height>203</height>
+    <height>180</height>
    </rect>
   </property>
   <property name="windowTitle">
@@ -33,8 +33,8 @@
    </item>
    <item row="1" column="1">
     <widget class="QLineEdit" name="posPrinterDeviceEdit">
-     <property name="toolTip">
-      <string>&lt;idVendor&gt;:&lt;idProduct&gt;</string>
+     <property name="enabled">
+      <bool>false</bool>
      </property>
     </widget>
    </item>
diff --git a/src/printer/posprinter.cpp b/src/printer/posprinter.cpp
index 9c6609d..9ff4dec 100644
--- a/src/printer/posprinter.cpp
+++ b/src/printer/posprinter.cpp
@@ -20,9 +20,7 @@ const std::string PosPrinter::Command::FONT_SIZE_BIG = {0x1b, 0x21, 0x10};
 const std::string PosPrinter::Command::FONT_SIZE_NORMAL = {0x1b, 0x21, 0x00};
 const std::string PosPrinter::Command::FEED = {0x1b, 0x64, 0x03};
 
-PosPrinter::PosPrinter() : PosPrinter(PrinterDevice()) {}
-
-PosPrinter::PosPrinter(const PrinterDevice& printerDevice) : printerDevice_(printerDevice)
+PosPrinter::PosPrinter()
 {
     int retValue;
 
@@ -37,23 +35,12 @@ PosPrinter::PosPrinter(const PrinterDevice& printerDevice) : printerDevice_(prin
         libusb_exit(contextPtr_);
         throw std::runtime_error("Could not receive device list");
     }
-
     int numDevice = -1;
-
     for (int i = 0; i < devCount; ++i) {
         libusb_device_descriptor desc;
         libusb_get_device_descriptor(devList[i], &desc);
-
-        if (printerDevice_.idVendor == 0) {
-            for (const auto& supported : supportedPrinters_.models) {
-                if (desc.idVendor == supported.first && desc.idProduct == supported.second) {
-                    numDevice = i;
-                    break;
-                }
-            }
-        } else {
-            if (desc.idVendor == printerDevice_.idVendor &&
-                desc.idProduct == printerDevice_.idProduct) {
+        for (const auto& supported : supportedPrinters_.models) {
+            if (desc.idVendor == supported.first && desc.idProduct == supported.second) {
                 numDevice = i;
                 break;
             }
diff --git a/src/printer/posprinter.h b/src/printer/posprinter.h
index 04db2f1..140b6cc 100644
--- a/src/printer/posprinter.h
+++ b/src/printer/posprinter.h
@@ -16,16 +16,10 @@ struct SupportedPrinters {
     };
 };
 
-struct PrinterDevice {
-    int idVendor{};
-    int idProduct{};
-};
-
 class PosPrinter
 {
   public:
     PosPrinter();
-    PosPrinter(const PrinterDevice& printerDevice);
     ~PosPrinter();
     void write(const std::string& text);
     void printHeader();
@@ -49,7 +43,6 @@ class PosPrinter
     libusb_context* contextPtr_{};
     libusb_device_handle* devicePtr_{};
     SupportedPrinters supportedPrinters_;
-    PrinterDevice printerDevice_{};
 };
 
 #endif
\ No newline at end of file