It seems GAIA had changed dosserver rules today, so we can go back to accounts.google.com.

chrome/browser/printing/cloud_print/cloud_print_url.cc

 // Copyright (c) 2011 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.
 
 #include "chrome/browser/printing/cloud_print/cloud_print_url.h"
 
 #include "base/command_line.h"
 #include "base/logging.h"
 #include "base/stringprintf.h"
 #include "chrome/browser/google/google_util.h"
 #include "chrome/browser/prefs/pref_service.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/common/pref_names.h"
 #include "googleurl/src/gurl.h"
 
 const char kDefaultCloudPrintServiceURL[] = "https://www.google.com/cloudprint";
 const char kDefaultCloudPrintSigninURL[] =
-    "https://www.google.com/accounts/ServiceLogin?"
+    "https://accounts.google.com/ServiceLogin?"
     "service=cloudprint&continue=https%3A%2F%2Fwww.google.com%2Fcloudprint";
 
 const char kLearnMoreURL[] =
     "https://www.google.com/support/cloudprint";
 const char kTestPageURL[] =
     "http://www.google.com/landing/cloudprint/enable.html?print=true";
 
 void CloudPrintURL::RegisterPreferences() {
   DCHECK(profile_);
   PrefService* pref_service = profile_->GetPrefs();
@@ skipping 71 matching lines @@
 
 GURL CloudPrintURL::GetCloudPrintLearnMoreURL() {
   GURL cloud_print_learn_more_url(kLearnMoreURL);
   return cloud_print_learn_more_url;
 }
 
 GURL CloudPrintURL::GetCloudPrintTestPageURL() {
   GURL cloud_print_learn_more_url(kTestPageURL);
   return cloud_print_learn_more_url;
 }