diff -up cups-1.3.7/backend/socket.c.str3495 cups-1.3.7/backend/socket.c
--- cups-1.3.7/backend/socket.c.str3495	2007-09-04 22:35:08.000000000 +0200
+++ cups-1.3.7/backend/socket.c	2010-07-09 13:15:18.000000000 +0200
@@ -384,12 +384,6 @@ main(int  argc,				/* I - Number of comm
 		      CUPS_LLCAST tbytes);
   }
 
- /*
-  * Get any pending back-channel data...
-  */
-
-  while (wait_bc(device_fd, 5) > 0);
-
   if (waiteof)
   {
    /*