diff -up -rN cups-1.4.4.orig/backend/Makefile cups-1.4.4/backend/Makefile
--- cups-1.4.4.orig/backend/Makefile	2010-06-09 20:58:19.641591399 +1200
+++ cups-1.4.4/backend/Makefile	2010-06-09 20:51:06.025595868 +1200
@@ -267,7 +267,7 @@ usb:	usb.o ../cups/$(LIBCUPS) libbackend
 	echo Linking $@...
 	$(CC) $(LDFLAGS) -o usb usb.o libbackend.a $(LIBUSB) \
 		$(BACKLIBS) $(LIBS)
-usb.o:	usb.c usb-darwin.c usb-libusb.c usb-unix.c
+usb.o:	usb.c usb-darwin.c usb-hybrid.c usb-libusb.c usb-unix.c
 
 
 #
diff -up -rN cups-1.4.4.orig/backend/ieee1284.c cups-1.4.4/backend/ieee1284.c
--- cups-1.4.4.orig/backend/ieee1284.c	2009-12-08 15:13:42.000000000 +1300
+++ cups-1.4.4/backend/ieee1284.c	2010-06-09 20:51:06.357598941 +1200
@@ -255,6 +255,7 @@ backendGetDeviceID(
     cups_option_t	*values;	/* Keys and values in device ID */
     const char		*mfg,		/* Manufacturer */
 			*mdl,		/* Model */
+			*des,		/* Description */
 			*sern;		/* Serial number */
     char		temp[256],	/* Temporary manufacturer string */
 			*tempptr;	/* Pointer into temp string */
@@ -285,10 +286,20 @@ backendGetDeviceID(
     }
     else
     {
-      strlcpy(temp, make_model, sizeof(temp));
+      /*
+       * No manufacturer?  Use the model string or description...
+       */
+
+      if (mdl)
+	_ppdNormalizeMakeAndModel(mdl, temp, sizeof(temp));
+      else if ((des = cupsGetOption("DESCRIPTION", num_values, values)) != NULL ||
+	       (des = cupsGetOption("DES", num_values, values)) != NULL)
+	_ppdNormalizeMakeAndModel(des, temp, sizeof(temp));
+      else
+	strlcpy(temp, "Unknown", sizeof(temp));
 
       if ((tempptr = strchr(temp, ' ')) != NULL)
-        *tempptr = '\0';
+	*tempptr = '\0';
 
       mfg = temp;
     }
diff -up -rN cups-1.4.4.orig/backend/usb-hybrid.c cups-1.4.4/backend/usb-hybrid.c
--- cups-1.4.4.orig/backend/usb-hybrid.c	1970-01-01 12:00:00.000000000 +1200
+++ cups-1.4.4/backend/usb-hybrid.c	2010-06-09 20:51:06.441597823 +1200
@@ -0,0 +1,88 @@
+/*
+ * "Id: usb-hybrid.c 8807 2009-08-31 18:45:43Z mike "
+ *
+ *   USB port backend for the Common UNIX Printing System (CUPS).
+ *
+ *   This file is included from "usb.c" when compiled on Linux.
+ *
+ *   Copyright 2007-2008 by Apple Inc.
+ *   Copyright 1997-2007 by Easy Software Products, all rights reserved.
+ *
+ *   These coded instructions, statements, and computer programs are the
+ *   property of Apple Inc. and are protected by Federal copyright
+ *   law.  Distribution and use rights are outlined in the file "LICENSE.txt"
+ *   "LICENSE" which should have been included with this file.  If this
+ *   file is missing or damaged, see the license at "http://www.cups.org/".
+ *
+ *   This file is subject to the Apple OS-Developed Software exception.
+ *
+ * Contents:
+ *
+ *   print_device() - Print a file to a USB device.
+ *   list_devices() - List all USB devices.
+ */
+
+/*
+ * Include necessary headers.
+ */
+
+#include <sys/select.h>
+
+/*
+ * Include the two USB implementations used under Linux ...
+ */
+
+#define USB_HYBRID 1
+#include "usb-libusb.c"
+#include "usb-unix.c"
+
+/*
+ * 'print_device()' - Print a file to a USB device.
+ */
+
+int					/* O - Exit status */
+print_device(const char *uri,		/* I - Device URI */
+             const char *hostname,	/* I - Hostname/manufacturer */
+             const char *resource,	/* I - Resource/modelname */
+	     char       *options,	/* I - Device options/serial number */
+	     int        print_fd,	/* I - File descriptor to print */
+	     int        copies,		/* I - Copies to print */
+	     int	argc,		/* I - Number of command-line arguments (6 or 7) */
+	     char	*argv[])	/* I - Command-line arguments */
+{
+  int result;
+  for(;;)
+  {
+    result = print_device_unix(uri, hostname, resource, options, print_fd,
+			       copies, argc, argv);
+    if (result == -1)
+    {
+      result = print_device_libusb(uri, hostname, resource, options, print_fd,
+				   copies, argc, argv);
+      if (result == -1)
+	sleep(5);
+      else
+	return(result);
+    }
+    else
+      return(result);
+  }
+}
+
+/*
+ * 'list_devices()' - List all USB devices.
+ */
+
+void
+list_devices(void)
+{
+  /* Try both discovery methods, each device will appear only under one
+     of them */
+  list_devices_libusb();
+  list_devices_unix();
+}
+
+
+/*
+ * End of "Id: usb-hybrid.c 8807 2009-08-31 18:45:43Z mike ".
+ */
diff -up -rN cups-1.4.4.orig/backend/usb-libusb.c cups-1.4.4/backend/usb-libusb.c
--- cups-1.4.4.orig/backend/usb-libusb.c	2009-09-12 08:03:31.000000000 +1200
+++ cups-1.4.4/backend/usb-libusb.c	2010-06-09 20:51:06.533598662 +1200
@@ -13,16 +13,16 @@
  *
  * Contents:
  *
- *   list_devices()    - List the available printers.
- *   print_device()    - Print a file to a USB device.
+ *   list_devices_libusb()    - List the available printers.
+ *   print_device_libusb()    - Print a file to a USB device.
  *   close_device()    - Close the connection to the USB printer.