diff -up system-config-printer-1.2.0/check-device-ids.py.cdi-lsb-paths system-config-printer-1.2.0/check-device-ids.py
--- system-config-printer-1.2.0/check-device-ids.py.cdi-lsb-paths	2010-03-25 17:06:01.198242692 +0000
+++ system-config-printer-1.2.0/check-device-ids.py	2010-03-25 17:07:10.914359770 +0000
@@ -116,6 +116,13 @@ makes = ppds.getMakes ()
 def driver_uri_to_filename (uri):
     schemeparts = uri.split (':', 2)
     if len (schemeparts) < 2:
+        if uri.startswith ("lsb/usr/"):
+            return "/usr/share/ppd/" + uri[8:]
+        elif uri.startswith ("lsb/opt/"):
+            return "/opt/share/ppd/" + uri[8:]
+        elif uri.startswith ("lsb/local/"):
+            return "/usr/local/share/ppd/" + uri[10:]
+
         return "/usr/share/cups/model/" + uri
 
     scheme = schemeparts[0]