diff --git a/EpdBase3/Epd3Base.cpp b/EpdBase3/Epd3Base.cpp
index 6fbaab5..cc92d45 100644
--- a/EpdBase3/Epd3Base.cpp
+++ b/EpdBase3/Epd3Base.cpp
@@ -1120,6 +1120,8 @@ WORD Epd3Base::Epd3U::DeIssue()
 	ErrorStep = 2;
 	r = ClearDoses();
 
+	Sleep(2000);
+
 	ErrorStep = 3;
 	if (EPDIssued) {
 		token = BeginDeissueEPD(epdComsHandle, nullptr);
@@ -1353,6 +1355,7 @@ int Epd3Base::Epd3U::GetAll(bool Closeconnection)
 	return rv;
 }
 
+// Main entry point deissue for MK3
 int Epd3Base::Epd3U::GetAllDeissue(bool reconnect)
 {
 	int rv = 0;
diff --git a/EpdBaseClr/EpdBaseClr.cpp b/EpdBaseClr/EpdBaseClr.cpp
index eac0aae..1d4a6a8 100644
--- a/EpdBaseClr/EpdBaseClr.cpp
+++ b/EpdBaseClr/EpdBaseClr.cpp
@@ -757,6 +757,8 @@ int EpdBaseClr::Epd2::GetAll(bool close)
 	}
 	return rv;
 }
+
+//main entry point for exit
 int EpdBaseClr::Epd2::GetAllDeissue(bool reconnect)
 {
 	ErrorRV = ErrorStep = 0;
diff --git a/eDosStation/Properties/AssemblyInfo.cs b/eDosStation/Properties/AssemblyInfo.cs
index 0800b14..585d8ed 100644
--- a/eDosStation/Properties/AssemblyInfo.cs
+++ b/eDosStation/Properties/AssemblyInfo.cs
@@ -56,5 +56,5 @@ using System.Windows;
 //2.18 : more tested
 //2.20 Thermo : workflow bij issue ( en toevoegen time set)
 
-[assembly: AssemblyVersion("2.20.0.0")]
-[assembly: AssemblyFileVersion("2.20.0.0")]
+[assembly: AssemblyVersion("2.21.0.0")]
+[assembly: AssemblyFileVersion("2.21.0.0")]
diff --git a/eDosStation/Resources/BuildDate.txt b/eDosStation/Resources/BuildDate.txt
index e2a9752..a8e5ec2 100644
--- a/eDosStation/Resources/BuildDate.txt
+++ b/eDosStation/Resources/BuildDate.txt
@@ -1 +1 @@
-Wed 08/28/2024 12:26:57.52 
+Thu 08/29/2024 15:25:11.68 
diff --git a/eDosStation/eDosStation.zip b/eDosStation/eDosStation.zip
index 84e3700..1bb0ac1 100644
Binary files a/eDosStation/eDosStation.zip and b/eDosStation/eDosStation.zip differ