diff --git a/cura/PrinterOutput/NetworkedPrinterOutputDevice.py b/cura/PrinterOutput/NetworkedPrinterOutputDevice.py
index 8d6e39bf35..3585aee5ea 100644
--- a/cura/PrinterOutput/NetworkedPrinterOutputDevice.py
+++ b/cura/PrinterOutput/NetworkedPrinterOutputDevice.py
@@ -7,14 +7,14 @@ from UM.Logger import Logger
 from cura.PrinterOutputDevice import PrinterOutputDevice, ConnectionState
 
 from PyQt5.QtNetwork import QHttpMultiPart, QHttpPart, QNetworkRequest, QNetworkAccessManager, QNetworkReply
-from PyQt5.QtCore import pyqtProperty, pyqtSignal, pyqtSlot, QObject, QTimer, pyqtSignal, QUrl
-
+from PyQt5.QtCore import pyqtProperty, pyqtSignal, pyqtSlot, pyqtSignal, QUrl, QCoreApplication
 from time import time
 from typing import Callable, Any, Optional
 from enum import IntEnum
 from typing import List
 
-import os
+import os  # To get the username
+import gzip
 
 class AuthState(IntEnum):
     NotAuthenticated = 1
@@ -63,6 +63,16 @@ class NetworkedPrinterOutputDevice(PrinterOutputDevice):
     def authenticationState(self):
         return self._authentication_state
 
+    def _compressDataAndNotifyQt(self, data_to_append):
+        compressed_data = gzip.compress(data_to_append.encode("utf-8"))
+        self._progress_message.setProgress(-1)  # Tickle the message so that it's clear that it's still being used.
+        QCoreApplication.processEvents()  # Ensure that the GUI does not freeze.
+
+        # Pretend that this is a response, as zipping might take a bit of time.
+        # If we don't do this, the device might trigger a timeout.
+        self._last_response_time = time()
+        return compressed_data
+
     def _compressGCode(self):
         self._compressing_gcode = True
 
@@ -81,12 +91,12 @@ class NetworkedPrinterOutputDevice(PrinterOutputDevice):
             # Compressing line by line in this case is extremely slow, so we need to batch them.
             if len(batched_line) < max_chars_per_line:
                 continue
-            byte_array_file_data += self.__compressDataAndNotifyQt(batched_line)
+            byte_array_file_data += self._compressDataAndNotifyQt(batched_line)
             batched_line = ""
 
         # Don't miss the last batch (If any)
         if batched_line:
-            byte_array_file_data += self.__compressDataAndNotifyQt(batched_line)
+            byte_array_file_data += self._compressDataAndNotifyQt(batched_line)
 
         self._compressing_gcode = False
         return byte_array_file_data
diff --git a/plugins/UM3NetworkPrinting/ClusterUM3OutputDevice.py b/plugins/UM3NetworkPrinting/ClusterUM3OutputDevice.py
index 7d95acc920..ec6c94adb7 100644
--- a/plugins/UM3NetworkPrinting/ClusterUM3OutputDevice.py
+++ b/plugins/UM3NetworkPrinting/ClusterUM3OutputDevice.py
@@ -16,6 +16,8 @@ from PyQt5.QtNetwork import QNetworkRequest, QNetworkReply
 from PyQt5.QtGui import QDesktopServices
 from PyQt5.QtCore import pyqtSlot, QUrl, pyqtSignal, pyqtProperty
 
+from time import time
+
 import json
 import os
 
@@ -61,6 +63,9 @@ class ClusterUM3OutputDevice(NetworkedPrinterOutputDevice):
             # Unable to find g-code. Nothing to send
             return
 
+        # TODO; DEBUG
+        self.sendPrintJob()
+
     @pyqtSlot()
     def sendPrintJob(self):
         Logger.log("i", "Sending print job to printer.")
@@ -83,8 +88,46 @@ class ClusterUM3OutputDevice(NetworkedPrinterOutputDevice):
             # Abort was called.
             return
 
+        parts = []
 
+        # If a specific printer was selected, it should be printed with that machine.
+        require_printer_name = "" # Todo; actually needs to be set
+        if require_printer_name:
+            parts.append(self._createFormPart("name=require_printer_name", bytes(require_printer_name, "utf-8"), "text/plain"))
 
+        # Add user name to the print_job
+        parts.append(self._createFormPart("name=owner", bytes(self._getUserName(), "utf-8"), "text/plain"))
+
+        file_name = "%s.gcode.gz" % Application.getInstance().getPrintInformation().jobName
+
+        parts.append(self._createFormPart("name=\"file\"; filename=\"%s\"" % file_name, compressed_gcode))
+
+        self.postFormWithParts("print_jobs/", parts, onFinished=self._onPostPrintJobFinished, onProgress=self._onUploadPrintJobProgress)
+
+    def _onPostPrintJobFinished(self, reply):
+        print("POST PRINTJOB DONE! YAY!", reply.readAll())
+        pass
+
+    def _onUploadPrintJobProgress(self, bytes_sent, bytes_total):
+        if bytes_total > 0:
+            new_progress = bytes_sent / bytes_total * 100
+            # Treat upload progress as response. Uploading can take more than 10 seconds, so if we don't, we can get
+            # timeout responses if this happens.
+            self._last_response_time = time()
+            if new_progress > self._progress_message.getProgress():
+                self._progress_message.show()  # Ensure that the message is visible.
+                self._progress_message.setProgress(bytes_sent / bytes_total * 100)
+        else:
+            self._progress_message.setProgress(0)
+            self._progress_message.hide()
+
+    def _progressMessageActionTriggered(self, message_id=None, action_id=None):
+        if action_id == "Abort":
+            Logger.log("d", "User aborted sending print to remote.")
+            self._progress_message.hide()
+            self._compressing_gcode = False
+            self._sending_gcode = False
+            Application.getInstance().showPrintMonitor.emit(False)
 
     @pyqtSlot()
     def openPrintJobControlPanel(self):
diff --git a/plugins/UM3NetworkPrinting/LegacyUM3OutputDevice.py b/plugins/UM3NetworkPrinting/LegacyUM3OutputDevice.py
index 35e7f1890d..d89efc2acc 100644
--- a/plugins/UM3NetworkPrinting/LegacyUM3OutputDevice.py
+++ b/plugins/UM3NetworkPrinting/LegacyUM3OutputDevice.py
@@ -21,8 +21,7 @@ from .LegacyUM3PrinterOutputController import LegacyUM3PrinterOutputController
 from time import time
 
 import json
-import os  # To get the username
-import gzip
+
 
 
 i18n_catalog = i18nCatalog("cura")
@@ -259,16 +258,6 @@ class LegacyUM3OutputDevice(NetworkedPrinterOutputDevice):
         self._progress_message.hide()
         self._sending_gcode = False
 
-    def __compressDataAndNotifyQt(self, data_to_append):
-        compressed_data = gzip.compress(data_to_append.encode("utf-8"))
-        self._progress_message.setProgress(-1)  # Tickle the message so that it's clear that it's still being used.
-        QCoreApplication.processEvents()  # Ensure that the GUI does not freeze.
-
-        # Pretend that this is a response, as zipping might take a bit of time.
-        # If we don't do this, the device might trigger a timeout.
-        self._last_response_time = time()
-        return compressed_data
-
     def _onUploadPrintJobProgress(self, bytes_sent, bytes_total):
         if bytes_total > 0:
             new_progress = bytes_sent / bytes_total * 100