Remember and restore the account last used destination is registered for.

chrome/browser/resources/print_preview/print_header.js

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 cr.define('print_preview', function() {
   'use strict';
 
   /**
    * Creates a PrintHeader object. This object encapsulates all the elements
    * and logic related to the top part of the left pane in print_preview.html.
@@ skipping 114 matching lines @@
           print_preview.ticket_items.TicketItem.EventType.CHANGE,
           this.onTicketChange_.bind(this));
     },
 
     /**
      * Updates Print Button state.
      * @private
      */
     updatePrintButtonEnabledState_: function() {
       this.getChildElement('button.print').disabled =
+          this.destinationStore_.selectedDestination == null ||
           !this.isEnabled_ ||
           !this.isPrintButtonEnabled_ ||
           !this.printTicketStore_.isTicketValid();
     },
 
     /**
      * Updates the summary element based on the currently selected user options.
      * @private
      */
     updateSummary_: function() {
@@ skipping 70 matching lines @@
     onCancelButtonClick_: function() {
       cr.dispatchSimpleEvent(this, PrintHeader.EventType.CANCEL_BUTTON_CLICK);
     },
 
     /**
      * Called when a new destination is selected. Updates the text on the print
      * button.
      * @private
      */
     onDestinationSelect_: function() {
-      var isSaveLabel = this.destinationStore_.selectedDestination.id ==
-          print_preview.Destination.GooglePromotedId.SAVE_AS_PDF ||
-          this.destinationStore_.selectedDestination.id ==
-              print_preview.Destination.GooglePromotedId.DOCS;
-      this.getChildElement('button.print').textContent = isSaveLabel ?
-          localStrings.getString('saveButton') :
-          localStrings.getString('printButton');
-      this.getChildElement('button.print').focus();
+      var isSaveLabel = this.destinationStore_.selectedDestination &&
+          (this.destinationStore_.selectedDestination.id ==
+               print_preview.Destination.GooglePromotedId.SAVE_AS_PDF ||
+           this.destinationStore_.selectedDestination.id ==
+               print_preview.Destination.GooglePromotedId.DOCS);
+      this.getChildElement('button.print').textContent =
+          localStrings.getString(isSaveLabel ? 'saveButton' : 'printButton');
+      if (this.destinationStore_.selectedDestination) {
+        this.getChildElement('button.print').focus();
+      }
     },
 
     /**
      * Called when the print ticket has changed. Disables the print button if
      * any of the settings are invalid.
      * @private
      */
     onTicketChange_: function() {
       this.updatePrintButtonEnabledState_();
       this.updateSummary_();
       if (document.activeElement == null ||
           document.activeElement == document.body) {
         this.getChildElement('button.print').focus();
       }
     }
   };
 
   // Export
   return {
     PrintHeader: PrintHeader
   };
 });