diff -Nru system-config-printer-1.5.12/debian/changelog system-config-printer-1.5.12/debian/changelog
--- system-config-printer-1.5.12/debian/changelog	2020-10-09 18:51:11.000000000 +0800
+++ system-config-printer-1.5.12/debian/changelog	2020-11-03 15:31:05.000000000 +0800
@@ -1,3 +1,10 @@
+system-config-printer (1.5.12-0ubuntu4) groovy; urgency=medium
+
+  * Update the udev rule due to usb_id udev import is disabled in some systems.
+  * Make the matching rule of printer device path more flexible.
+
+ -- hugh chao <hugh.chao@canonical.com>  Tue, 03 Nov 2020 15:31:05 +0800
+
 system-config-printer (1.5.12-0ubuntu3) groovy; urgency=medium
 
   * Really do not recommend ippusbxd any more.
diff -Nru system-config-printer-1.5.12/debian/patches/44-make-matching-rule-more-flexible.patch system-config-printer-1.5.12/debian/patches/44-make-matching-rule-more-flexible.patch
--- system-config-printer-1.5.12/debian/patches/44-make-matching-rule-more-flexible.patch	1970-01-01 08:00:00.000000000 +0800
+++ system-config-printer-1.5.12/debian/patches/44-make-matching-rule-more-flexible.patch	2020-11-03 15:31:05.000000000 +0800
@@ -0,0 +1,59 @@
+## Description: After printers (non-ippusb protocal) have been disconnected, the status of cups still shows "idle" instead of "disabled", this patch make the matching rule more flexible. 
+## Origin/Author: hugh.chao@canonical.com
+## Bug: https://github.com/OpenPrinting/system-config-printer/issues/182
+Index: system-config-printer-1.5.12/udev/70-printers.rules
+===================================================================
+--- system-config-printer-1.5.12.orig/udev/70-printers.rules
++++ system-config-printer-1.5.12/udev/70-printers.rules
+@@ -1,4 +1,4 @@
+ # Low-level USB device add trigger
+ ACTION=="add", SUBSYSTEM=="usb", ENV{DEVTYPE}=="usb_device", ENV{ID_USB_INTERFACES}=="*:0701??:*", ENV{ID_USB_INTERFACES}!="*:070104:*", TAG+="systemd", ENV{SYSTEMD_WANTS}="configure-printer@usb-$env{BUSNUM}-$env{DEVNUM}.service"
+ # Low-level USB device remove trigger
+-ACTION=="remove", SUBSYSTEM=="usb", ENV{ID_USB_INTERFACES}=="*:0701*:*", ENV{ID_USB_INTERFACES}!="*:070104:*", RUN+="udev-configure-printer remove %p"
++ACTION=="remove", SUBSYSTEM=="usb", ENV{INTERFACE}=="7/1/*", ENV{INTERFACE}!="7/1/4", RUN+="udev-configure-printer remove %p"
+Index: system-config-printer-1.5.12/udev/udev-configure-printer.c
+===================================================================
+--- system-config-printer-1.5.12.orig/udev/udev-configure-printer.c
++++ system-config-printer-1.5.12/udev/udev-configure-printer.c
+@@ -1793,6 +1793,30 @@ disable_queue (const char *printer_uri,
+ }
+ 
+ static int
++device_exists(char *device_path)
++{
++  char full_path[100];
++  struct stat buffer;
++  int exist = -1;
++  int path_length=strlen(device_path);
++  // 5 is the length of "/sys" + null
++  snprintf(full_path, path_length + 5, "%s%s", "/sys", device_path);
++
++  // check the exist of this device
++  if (stat(full_path, &buffer) == 0){
++    exist = 1;
++  }
++
++  return exist;
++}
++
++static char*
++compare_usb_uri(char *uri_store, char *uri_uevent)
++{
++  return strstr(uri_uevent, uri_store);
++}
++
++static int
+ do_remove (const char *devaddr)
+ {
+   struct usb_uri_map *map;
+@@ -1830,8 +1854,8 @@ do_remove (const char *devaddr)
+   map = read_usb_uri_map ();
+   prev = &map->entries;
+   for (entry = map->entries; entry; entry = entry->next)
+-    {
+-      if (!strcmp (entry->devpath, devpath))
++  {
++ if (compare_usb_uri(entry->devpath, devpath) !=NULL && device_exists(entry->devpath) == -1)
+ 	{
+ 	  uris = &entry->uris;
+ 	  break;
diff -Nru system-config-printer-1.5.12/debian/patches/series system-config-printer-1.5.12/debian/patches/series
--- system-config-printer-1.5.12/debian/patches/series	2020-02-25 05:15:11.000000000 +0800
+++ system-config-printer-1.5.12/debian/patches/series	2020-11-03 15:26:47.000000000 +0800
@@ -8,3 +8,4 @@
 33_no-usb-queues-for-ipp-over-usb-printers.patch
 40-udev-configure-printer-add-checks-for-null.patch
 43-fix-abrt-in-udev-configure-printer.patch
+44-make-matching-rule-more-flexible.patch