diff --git a/hplip-skip-blank-lines.patch b/hplip-skip-blank-lines.patch
new file mode 100644
index 0000000..288a887
--- /dev/null
+++ b/hplip-skip-blank-lines.patch
@@ -0,0 +1,11 @@
+diff -up hplip-3.10.2/prnt/hpcups/LJColor.h.skip-blank-lines hplip-3.10.2/prnt/hpcups/LJColor.h
+--- hplip-3.10.2/prnt/hpcups/LJColor.h.skip-blank-lines	2010-02-24 23:04:09.000000000 +0000
++++ hplip-3.10.2/prnt/hpcups/LJColor.h	2010-04-15 21:46:48.375754707 +0100
+@@ -48,6 +48,7 @@ public:
+     DRIVER_ERROR    Configure(Pipeline **pipeline);
+     DRIVER_ERROR    EndJob();
+     DRIVER_ERROR    FormFeed();
++    bool            CanSkipRasters() {return false;}
+ protected:
+     virtual DRIVER_ERROR addJobSettings();
+     void    configureRasterData();
diff --git a/hplip.spec b/hplip.spec
index 8e216c3..0087cbd 100644
--- a/hplip.spec
+++ b/hplip.spec
@@ -1,7 +1,7 @@
 Summary: HP Linux Imaging and Printing Project
 Name: hplip
 Version: 3.10.2
-Release: 9.1%{?dist}
+Release: 10%{?dist}
 License: GPLv2+ and MIT
 Group: System Environment/Daemons
 Conflicts: system-config-printer < 0.6.132
@@ -28,6 +28,7 @@ Patch11: hplip-device-reconnected.patch
 Patch14: hplip-hpcups-sigpipe.patch
 Patch16: hplip-bad-low-ink-warning.patch
 Patch17: hplip-deviceIDs-ppd.patch
+Patch18: hplip-skip-blank-lines.patch
 
 BuildRoot: %{_tmppath}/%{name}-%{version}-%{release}-root-%(%{__id_u} -n)
 
@@ -176,6 +177,9 @@ do
   gzip -n ${ppd_file#*/}
 done
 
+# Hpcups (ljcolor) was putting black lines where should be blank lines (bug #579461).
+%patch18 -p1 -b .skip-blank-lines
+
 sed -i.duplex-constraints \
     -e 's,\(UIConstraints.* \*Duplex\),//\1,' \
     prnt/drv/hpcups.drv.in
@@ -397,6 +401,10 @@ fi
 %{_bindir}/hpcups-update-ppds &>/dev/null ||:
 
 %changelog
+* Thu Apr 16 2010 Jiri Popelka <jpopelka@redhat.com> - 3.10.2-10
+- Fixed black/blank lines in ljcolor hpcups output (bug #579461).
+  Work-around is to send entire blank raster lines instead of skipping them.
+
 * Fri Apr  9 2010 Jiri Popelka <jpopelka@redhat.com> - 3.10.2-9.1
 - Added/Corrected several IEEE 1284 Device IDs
   (bugs #577262, #577282, #577282, #577288, #577292, #577302,