--- a/embedding/components/printingui/ipc/PrintingParent.cpp
+++ b/embedding/components/printingui/ipc/PrintingParent.cpp
@@ -1,16 +1,17 @@
 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
 /* vim: set ts=8 sts=2 et sw=2 tw=80: */
 /* This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 
 #include "mozilla/dom/Element.h"
 #include "mozilla/dom/TabParent.h"
+#include "mozilla/Preferences.h"
 #include "mozilla/unused.h"
 #include "nsIContent.h"
 #include "nsIDocument.h"
 #include "nsIDOMWindow.h"
 #include "nsIPrintingPromptService.h"
 #include "nsIPrintProgressParams.h"
 #include "nsIPrintSettingsService.h"
 #include "nsIServiceManager.h"
@@ -106,22 +107,42 @@ PrintingParent::ShowPrintDialog(PBrowser
   nsresult rv;
   if (remotePrintJob) {
     settings = remotePrintJob->GetPrintSettings();
   } else {
     rv = mPrintSettingsSvc->GetNewPrintSettings(getter_AddRefs(settings));
     NS_ENSURE_SUCCESS(rv, rv);
   }
 
+  // We only want to use the print silently setting from the parent.
+  bool printSilently;
+  rv = settings->GetPrintSilent(&printSilently);
+  NS_ENSURE_SUCCESS(rv, rv);
+
   rv = mPrintSettingsSvc->DeserializeToPrintSettings(aData, settings);
   NS_ENSURE_SUCCESS(rv, rv);
 
-  rv = pps->ShowPrintDialog(parentWin, wbp, settings);
+  rv = settings->SetPrintSilent(printSilently);
   NS_ENSURE_SUCCESS(rv, rv);
 
+  // If we are printing silently then we just need to initialize the print
+  // settings with anything specific from the printer.
+  if (printSilently ||
+      Preferences::GetBool("print.always_print_silent", printSilently)) {
+    nsXPIDLString printerName;
+    rv = settings->GetPrinterName(getter_Copies(printerName));
+    NS_ENSURE_SUCCESS(rv, rv);
+
+    settings->SetIsInitializedFromPrinter(false);
+    mPrintSettingsSvc->InitPrintSettingsFromPrinter(printerName, settings);
+  } else {
+    rv = pps->ShowPrintDialog(parentWin, wbp, settings);
+    NS_ENSURE_SUCCESS(rv, rv);
+  }
+
   rv = SerializeAndEnsureRemotePrintJob(settings, nullptr, remotePrintJob,
                                         aResult);
 
   return rv;
 }
 
 bool
 PrintingParent::RecvShowPrintDialog(PPrintSettingsDialogParent* aDialog,

--- a/layout/printing/nsPrintEngine.cpp
+++ b/layout/printing/nsPrintEngine.cpp
@@ -566,18 +566,20 @@ nsPrintEngine::DoCommonPrint(bool       
     }
   } else {
     mPrt->mPrintSettings->SetHowToEnableFrameUI(nsIPrintSettings::kFrameEnableNone);
   }
   // Now determine how to set up the Frame print UI
   mPrt->mPrintSettings->SetPrintOptions(nsIPrintSettings::kEnableSelectionRB,
                                         isSelection || mPrt->mIsIFrameSelected);
 
+  bool printingViaParent = XRE_IsContentProcess() &&
+                           Preferences::GetBool("print.print_via_parent");
   nsCOMPtr<nsIDeviceContextSpec> devspec;
-  if (XRE_IsContentProcess() && Preferences::GetBool("print.print_via_parent")) {
+  if (printingViaParent) {
     devspec = new nsDeviceContextSpecProxy();
   } else {
     devspec = do_CreateInstance("@mozilla.org/gfx/devicecontextspec;1", &rv);
     NS_ENSURE_SUCCESS(rv, rv);
   }
 
   nsScriptSuppressor scriptSuppressor(this);
   if (!aIsPrintPreview) {
@@ -591,17 +593,19 @@ nsPrintEngine::DoCommonPrint(bool       
 
     // Check prefs for a default setting as to whether we should print silently
     printSilently =
       Preferences::GetBool("print.always_print_silent", printSilently);
 
     // Ask dialog to be Print Shown via the Plugable Printing Dialog Service
     // This service is for the Print Dialog and the Print Progress Dialog
     // If printing silently or you can't get the service continue on
-    if (!printSilently) {
+    // If printing via the parent then we need to confirm that the pref is set
+    // and get a remote print job, but the parent won't display a prompt.
+    if (!printSilently || printingViaParent) {
       nsCOMPtr<nsIPrintingPromptService> printPromptService(do_GetService(kPrintingPromptService));
       if (printPromptService) {
         nsPIDOMWindowOuter* domWin = mDocument->GetWindow(); 
         NS_ENSURE_TRUE(domWin, NS_ERROR_FAILURE);
 
         // Platforms not implementing a given dialog for the service may
         // return NS_ERROR_NOT_IMPLEMENTED or an error code.
         //