diff --git a/Cura/gui/printWindow.py b/Cura/gui/printWindow.py
index a648dccc..b95b2004 100644
--- a/Cura/gui/printWindow.py
+++ b/Cura/gui/printWindow.py
@@ -352,13 +352,12 @@ class printWindow(wx.Frame):
 				status += 'Line: -/%d\n' % (len(self.gcodeList))
 		else:
 			printTime = self.machineCom.getPrintTime() / 60
-			printTimeTotal = printTime * len(self.gcodeList) / self.machineCom.getPrintPos()
-			printTimeLeft = printTimeTotal - printTime
+			printTimeLeft = self.machineCom.getPrintTimeRemainingEstimate()
 			status += 'Line: %d/%d %d%%\n' % (self.machineCom.getPrintPos(), len(self.gcodeList), self.machineCom.getPrintPos() * 100 / len(self.gcodeList))
 			if self.currentZ > 0:
 				status += 'Height: %0.1f\n' % (self.currentZ)
 			status += 'Print time: %02d:%02d\n' % (int(printTime / 60), int(printTime % 60))
-			if printTime < 1:
+			if printTimeLeft == None:
 				status += 'Print time left: Unknown\n'
 			else:
 				status += 'Print time left: %02d:%02d\n' % (int(printTimeLeft / 60), int(printTimeLeft % 60))
diff --git a/Cura/gui/simpleMode.py b/Cura/gui/simpleMode.py
index 71eace9e..3e77ada1 100644
--- a/Cura/gui/simpleMode.py
+++ b/Cura/gui/simpleMode.py
@@ -180,9 +180,9 @@ class simpleModeWindow(configBase.configWindowBase):
 		put('support', 'None')
 		#put('machine_center_x', '100')
 		#put('machine_center_y', '100')
-		put('retraction_enable', 'True')
+		put('retraction_enable', 'False')
 		put('retraction_min_travel', '5.0')
-		put('retraction_speed', '13.5')
+		put('retraction_speed', '40.0')
 		put('retraction_amount', '4.5')
 		put('retraction_extra', '0.0')
 		put('travel_speed', '150')
diff --git a/Cura/util/machineCom.py b/Cura/util/machineCom.py
index 1c0e60ee..c32e39c3 100644
--- a/Cura/util/machineCom.py
+++ b/Cura/util/machineCom.py
@@ -161,6 +161,7 @@ class MachineCom(object):
 		self._currentZ = -1
 		self._heatupWaitStartTime = 0
 		self._heatupWaitTimeLost = 0.0
+		self._printStartTime100 = None
 		
 		self.thread = threading.Thread(target=self._monitor)
 		self.thread.daemon = True
@@ -226,7 +227,15 @@ class MachineCom(object):
 		return self._gcodePos
 	
 	def getPrintTime(self):
-		return time.time() - self._printStartTime - self._heatupWaitTimeLost
+		return time.time() - self._printStartTime
+
+	def getPrintTimeRemainingEstimate(self):
+		if self._printStartTime100 == None or self.getPrintPos() < 200:
+			return None
+		printTime = (time.time() - self._printStartTime100) / 60
+		printTimeTotal = printTime * (len(self._gcodeList) - 100) / (self.getPrintPos() - 100)
+		printTimeLeft = printTimeTotal - printTime
+		return printTimeLeft
 	
 	def getTemp(self):
 		return self._temp
@@ -464,6 +473,8 @@ class MachineCom(object):
 		if self._gcodePos >= len(self._gcodeList):
 			self._changeState(self.STATE_OPERATIONAL)
 			return
+		if self._gcodePos == 100:
+			self._printStartTime100 = time.time()
 		line = self._gcodeList[self._gcodePos]
 		if type(line) is tuple:
 			self._printSection = line[1]
@@ -498,6 +509,7 @@ class MachineCom(object):
 			return
 		self._gcodeList = gcodeList
 		self._gcodePos = 0
+		self._printStartTime100 = None
 		self._printSection = 'CUSTOM'
 		self._changeState(self.STATE_PRINTING)
 		self._printStartTime = time.time()