diff --git a/hplip-dj990c-margin.patch b/hplip-dj990c-margin.patch
new file mode 100644
index 0000000..1091384
--- /dev/null
+++ b/hplip-dj990c-margin.patch
@@ -0,0 +1,15 @@
+diff -up hplip-3.14.10/prnt/drv/hpcups.drv.in.dj990c-margin hplip-3.14.10/prnt/drv/hpcups.drv.in
+--- hplip-3.14.10/prnt/drv/hpcups.drv.in.dj990c-margin	2014-12-23 15:55:09.779368939 +0000
++++ hplip-3.14.10/prnt/drv/hpcups.drv.in	2014-12-23 15:55:24.488454126 +0000
+@@ -1531,9 +1531,9 @@ Manufacturer "HP"
+          "<</cupsInteger0 2/PageSize[612 792]/ImagingBBox null>>setpagedevice"
+   CustomMedia "Letter.Duplex/Letter AutoDuplex 8.5x11in" 612 783 18 27 18 36 "<</cupsInteger0 2/PageSize[612 783]/ImagingBBox null>>setpagedevice"
+          "<</cupsInteger0 2/PageSize[612 783]/ImagingBBox null>>setpagedevice"
+-  CustomMedia "A4/A4 210x297mm" 595.44 841.68 18 36.00 18 9.00 "<</cupsInteger0 26/PageSize[595.44 841.68]/ImagingBBox null>>setpagedevice"
++  CustomMedia "A4/A4 210x297mm" 595.44 841.68 9 36.00 9 9.00 "<</cupsInteger0 26/PageSize[595.44 841.68]/ImagingBBox null>>setpagedevice"
+          "<</cupsInteger0 26/PageSize[595.44 841.68]/ImagingBBox null>>setpagedevice"
+-  CustomMedia "A4.Duplex/A4 AutoDuplex 210x297mm" 595 833 18 27 18 36 "<</cupsInteger0 26/PageSize[595 833]/ImagingBBox null>>setpagedevice"
++  CustomMedia "A4.Duplex/A4 AutoDuplex 210x297mm" 595 833 9 27 9 36 "<</cupsInteger0 26/PageSize[595 833]/ImagingBBox null>>setpagedevice"
+          "<</cupsInteger0 26/PageSize[595 833]/ImagingBBox null>>setpagedevice"
+   CustomMedia "ExecutiveJIS/Executive (JIS) 8.5x12.986in" 612 936 18 36 18 9 "<</cupsInteger0 10/PageSize[612 936]/ImagingBBox null>>setpagedevice"
+          "<</cupsInteger0 10/PageSize[612 936]/ImagingBBox null>>setpagedevice"
diff --git a/hplip.spec b/hplip.spec
index 6a50125..11c4831 100644
--- a/hplip.spec
+++ b/hplip.spec
@@ -7,7 +7,7 @@
 Summary: HP Linux Imaging and Printing Project
 Name: hplip
 Version: 3.14.10
-Release: 3%{?dist}
+Release: 4%{?dist}
 License: GPLv2+ and MIT
 
 Url: http://hplip.sourceforge.net/
@@ -35,6 +35,7 @@ Patch18: hplip-log-stderr.patch
 Patch19: hplip-avahi-parsing.patch
 Patch20: hplip-reportlab.patch
 Patch21: hplip-device_open.patch
+Patch22: hplip-dj990c-margin.patch
 
 %global hpijs_epoch 1
 Requires: hpijs%{?_isa} = %{hpijs_epoch}:%{version}-%{release}
@@ -259,6 +260,9 @@ done
 # port device is used (bug #1159161).
 %patch21 -p1 -b .device_open
 
+# Fixed left/right margins for HP DeskJet 990C (LP #1405212).
+%patch22 -p1 -b .dj990c-margin
+
 sed -i.duplex-constraints \
     -e 's,\(UIConstraints.* \*Duplex\),//\1,' \
     prnt/drv/hpcups.drv.in
@@ -495,6 +499,9 @@ rm -f %{buildroot}%{_sysconfdir}/xdg/autostart/hplip-systray.desktop
 %postun libs -p /sbin/ldconfig
 
 %changelog
+* Tue Dec 23 2014 Tim Waugh <twaugh@redhat.com> - 3.14.10-4
+- Fixed left/right margins for HP DeskJet 990C (LP #1405212).
+
 * Tue Nov  4 2014 Tim Waugh <twaugh@redhat.com> - 3.14.10-3
 - IEEE 1284 Device ID for HP LaserJet Professional M1132 MFP
   (bug #1158743 comment #5).