diff -up sane-backends-1.0.19/tools/sane-desc.c.policykit sane-backends-1.0.19/tools/sane-desc.c
--- sane-backends-1.0.19/tools/sane-desc.c.policykit	2007-07-29 20:39:54.000000000 +0200
+++ sane-backends-1.0.19/tools/sane-desc.c	2008-02-13 10:18:23.000000000 +0100
@@ -3226,7 +3226,7 @@ print_udev (void)
 	    }
 	}
       printf ("\n");
-      printf ("SYSFS{idVendor}==\"%s\", SYSFS{idProduct}==\"%s\", MODE=\"0664\", GROUP=\"scanner\", ENV{libsane_matched}=\"yes\"\n",
+      printf ("SYSFS{idVendor}==\"%s\", SYSFS{idProduct}==\"%s\", MODE=\"0664\", ENV{libsane_matched}=\"yes\"\n",
 	      usbid->usb_vendor_id + 2,  usbid->usb_product_id + 2);
       usbid = usbid->next;
     }
@@ -3278,8 +3278,17 @@ print_hal (void)
   usbid_type *usbid = create_usbids_table ();
   printf ("<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n");
   printf ("<deviceinfo version=\"0.2\">\n");
-  printf ("  <device>\n");
-  printf ("    <match key=\"info.bus\" string=\"usb\">\n");
+  printf ("  <device>\n\n");
+  printf ("    <!-- SCSI scanners -->\n");
+  printf ("    <match key=\"@info.parent:scsi.type\" string=\"scanner\">\n");
+  printf ("      <match key=\"info.category\" string=\"scsi_generic\">\n");
+  printf ("        <append key=\"info.capabilities\" type=\"strlist\">access_control</append>\n");
+  printf ("        <merge key=\"access_control.file\" type=\"copy_property\">linux.device_file</merge>\n");
+  printf ("        <merge key=\"access_control.type\" type=\"string\">scanner</merge>\n");
+  printf ("      </match>\n");
+  printf ("    </match>\n\n");
+  printf ("    <!-- USB scanners -->\n");
+  printf ("    <match key=\"info.bus\" string=\"usb_device\">\n");
   while (usbid)
     {
       manufacturer_model_type * name = usbid->name;
@@ -3295,10 +3304,12 @@ print_hal (void)
 	  i++;
 	}
       printf (" -->\n");
-      printf ("      <match key=\"usb.vendor_id\" int=\"%s\">\n", usbid->usb_vendor_id);
-      printf ("        <match key=\"usb.product_id\" int=\"%s\">\n", usbid->usb_product_id);
-      printf ("          <append key=\"info.capabilities\" type=\"strlist\">scanner</append>\n");
-      printf ("          <merge key=\"scanner.access_method\" type=\"string\">proprietary</merge>\n");
+      printf ("      <match key=\"usb_device.vendor_id\" int=\"%s\">\n", usbid->usb_vendor_id);
+      printf ("        <match key=\"usb_device.product_id\" int=\"%s\">\n", usbid->usb_product_id);
+      printf ("          <append key=\"info.capabilities\" type=\"strlist\">access_control</append>\n");
+      printf ("          <merge key=\"access_control.file\" type=\"copy_property\">linux.device_file</merge>\n");
+      printf ("          <merge key=\"access_control.type\" type=\"string\">scanner</merge>\n");
+      printf ("          <append key=\"info.callouts.add\" type=\"strlist\">hal-usb-scanner-add</append>\n");
       printf ("        </match>\n");
       printf ("      </match>\n");
       usbid = usbid->next;