diff -u scheduler/ipp.c.070605 scheduler/ipp.c
--- scheduler/ipp.c.070605	2007-06-04 06:13:54.000000000 +0900
+++ scheduler/ipp.c	2007-06-05 20:20:39.000000000 +0900
@@ -1063,7 +1063,11 @@
 
   if ((attr = ippFindAttribute(con->request, "auth-info-required",
                                IPP_TAG_KEYWORD)) != NULL)
+#if 0
     cupsdSetAuthInfoRequired(printer, NULL, attr);
+#else
+    cupsdSetAuthInfoRequired(pclass, NULL, attr);
+#endif
 
  /*
   * Update the printer class attributes and return...
diff -u scheduler/cups-driverd.c.070605 scheduler/cups-driverd.c
--- scheduler/cups-driverd.c.070605	2007-05-24 00:25:48.000000000 +0900
+++ scheduler/cups-driverd.c	2007-06-05 20:21:34.000000000 +0900
@@ -299,7 +299,9 @@
   else
     scheme[0] = '\0';
 
+#if 0
   puts("Content-Type: application/ipp\n");
+#endif
 
   if (scheme[0])
   {