diff --git a/sorteerhoed/central_management.py b/sorteerhoed/central_management.py
index 85ca129..5712476 100644
--- a/sorteerhoed/central_management.py
+++ b/sorteerhoed/central_management.py
@@ -300,13 +300,16 @@ class CentralManagement():
         """
         Run scanimage on scaner and returns a string with the filename
         """
-        self.eventQueue.put(Signal('scan.start'))
+        if self.isScanning.is_set():
+            raise Exception("Already scanning!")
         
+        self.eventQueue.put(Signal('scan.start'))
         cmd = [
             'sudo', 'scanimage', '-d', 'epkowa', '--format', 'jpeg',
             '--resolution=100', '-l','20','-t','30','-x',str(self.config['scanner']['height']),
             '-y',str(self.config['scanner']['width'])
         ]
+        self.logger.info(f"{cmd}")
         filename = self.currentHit.getImagePath()
         proc = subprocess.Popen(cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
         # opens connection to scanner, but only starts scanning when output becomes ready:
diff --git a/sorteerhoed/plotter.py b/sorteerhoed/plotter.py
index 03ea3ce..748a659 100644
--- a/sorteerhoed/plotter.py
+++ b/sorteerhoed/plotter.py
@@ -86,7 +86,7 @@ class Plotter:
                     continue 
             
             coordinates.append(coordinate)
-        self.logger.info(f"Plot: {coordinates}")
+        self.logger.debug(f"Plot: {coordinates}")
         if self.ad:
             self.ad.plan_trajectory(coordinates)
 #         self.ad.moveto(move[0]* plotterWidth, move[1]*plotterHeight)