1 files changed, 8 insertions, 0 deletions
diff --git a/Software/Visual_Studio/PPC/Modules/Tango.PPC.Jobs/ViewModels/JobProgressViewVM.cs b/Software/Visual_Studio/PPC/Modules/Tango.PPC.Jobs/ViewModels/JobProgressViewVM.cs
index 8d5bd284d..965747856 100644
--- a/Software/Visual_Studio/PPC/Modules/Tango.PPC.Jobs/ViewModels/JobProgressViewVM.cs
+++ b/Software/Visual_Studio/PPC/Modules/Tango.PPC.Jobs/ViewModels/JobProgressViewVM.cs
@@ -168,6 +168,14 @@ namespace Tango.PPC.Jobs.ViewModels
         /// <param name="e">The <see cref="PrintingEventArgs"/> instance containing the event data.</param>
         private void MachineOperator_PrintingStarted(object sender, PrintingEventArgs e)
         {
+            if (_handler != null)
+            {
+                _handler.StatusChanged -= JobHandler_StatusChanged;
+                _handler.SpoolChangeRequired -= JobHandler_SpoolChangeRequired;
+                _handler.Stopped -= JobHandler_Stopped;
+                _handler.CanCancelChanged -= JobHandler_CanCancelChanged;
+            }
+
             _handler = e.JobHandler;
             Job = e.Job;
             e.JobHandler.StatusChanged += JobHandler_StatusChanged;