diff --git a/system-config-printer-install-foomatic-db-ppds.patch b/system-config-printer-install-foomatic-db-ppds.patch
new file mode 100644
index 0000000..96af7e8
--- /dev/null
+++ b/system-config-printer-install-foomatic-db-ppds.patch
@@ -0,0 +1,56 @@
+diff -up system-config-printer-1.1.13/cupshelpers/cupshelpers.py.install-foomatic-db-ppds system-config-printer-1.1.13/cupshelpers/cupshelpers.py
+--- system-config-printer-1.1.13/cupshelpers/cupshelpers.py.install-foomatic-db-ppds	2009-09-04 10:34:16.000000000 +0100
++++ system-config-printer-1.1.13/cupshelpers/cupshelpers.py	2009-11-11 14:50:51.557767784 +0000
+@@ -473,7 +473,10 @@ def parseDeviceID (id):
+         id_dict.setdefault("CMD", id_dict["COMMAND SET"])
+     for name in ["MFG", "MDL", "CMD", "CLS", "DES", "SN", "S", "P", "J"]:
+         id_dict.setdefault(name, "")
+-    id_dict["CMD"] = id_dict["CMD"].split(',') 
++    if id_dict["CMD"] == '':
++        id_dict["CMD"] = []
++    else:
++        id_dict["CMD"] = id_dict["CMD"].split(',') 
+     return id_dict
+ 
+ class Device:
+diff -up system-config-printer-1.1.13/system-config-printer.py.install-foomatic-db-ppds system-config-printer-1.1.13/system-config-printer.py
+--- system-config-printer-1.1.13/system-config-printer.py.install-foomatic-db-ppds	2009-11-11 14:50:33.835893883 +0000
++++ system-config-printer-1.1.13/system-config-printer.py	2009-11-11 14:50:51.560768061 +0000
+@@ -4293,6 +4293,37 @@ class NewPrinterGUI(GtkGUI):
+                     except:
+                         nonfatalException ()
+ 
++                # Decide whether this might be a PostScript capable
++                # printer.  If it might be, check whether
++                # foomatic-db-ppds is installed and suggest installing
++                # it.
++                cmdsets = self.device.id_dict["CMD"]
++                if len (cmdsets) == 0:
++                    # No list of command sets available so might be PS capable
++                    may_be_ps = True
++                else:
++                    # We have the definitive list of command sets supported.
++                    # Only PS capable if it says so.
++                    may_be_ps = False
++                    for cmdset in cmdsets:
++                        if cmdset.lower ().startswith ("postscript"):
++                            may_be_ps = True
++
++                if may_be_ps:
++                    debugprint ("Printer might support PostScript")
++                    try:
++                        os.stat ("/usr/share/cups/model/foomatic-db-ppds")
++                        debugprint ("foomatic-db-ppds already installed")
++                    except OSError:
++                        debugprint ("foomatic-db-ppds not yet installed")
++                        pk = installpackage.PackageKit ()
++                        pid = None
++                        try:
++                            xid = self.mainapp.PrintersWindow.window.xid
++                            pk.InstallPackageName (xid, 0, "foomatic-db-ppds")
++                        except:
++                            pass
++
+                 if (not self.remotecupsqueue and
+                     not self.new_printer_PPDs_loaded):
+                     try:
diff --git a/system-config-printer.spec b/system-config-printer.spec
index 69883cd..985c444 100644
--- a/system-config-printer.spec
+++ b/system-config-printer.spec
@@ -7,7 +7,7 @@
 Summary: A printer administration tool
 Name: system-config-printer
 Version: 1.1.13
-Release: 9%{?dist}
+Release: 10%{?dist}
 License: GPLv2+
 URL: http://cyberelk.net/tim/software/system-config-printer/
 Group: System Environment/Base
@@ -35,6 +35,7 @@ Patch17: system-config-printer-no-epydoc.patch
 Patch18: system-config-printer-notification-traceback.patch
 Patch19: system-config-printer-de.po-typo.patch
 Patch20: system-config-printer-test-page-traceback.patch
+Patch21: system-config-printer-install-foomatic-db-ppds.patch
 
 BuildRequires: cups-devel >= 1.2
 BuildRequires: python-devel >= 2.4
@@ -114,6 +115,7 @@ printers.
 %patch18 -p1 -b .notification-traceback
 %patch19 -p1 -b .de.po-typo
 %patch20 -p1 -b .test-page-traceback
+%patch21 -p1 -b .install-foomatic-db-ppds
 
 %build
 %configure --with-udev-rules --with-polkit-1
@@ -225,6 +227,9 @@ rm -rf %buildroot
 exit 0
 
 %changelog
+* Wed Nov 11 2009 Tim Waugh <twaugh@redhat.com> 1.1.13-10
+- Suggest installing foomatic-db-ppds when appropriate (bug #536831).
+
 * Thu Nov  5 2009 Tim Waugh <twaugh@redhat.com> 1.1.13-9
 - Release bump.