diff --git a/hplip-hpijs-marker-supply.patch b/hplip-hpijs-marker-supply.patch
new file mode 100644
index 0000000..c5fce9c
--- /dev/null
+++ b/hplip-hpijs-marker-supply.patch
@@ -0,0 +1,31 @@
+diff -up hplip-3.10.9/prnt/hpijs/hpijs.cpp.hpijs-marker-supply hplip-3.10.9/prnt/hpijs/hpijs.cpp
+--- hplip-3.10.9/prnt/hpijs/hpijs.cpp.hpijs-marker-supply	2010-10-18 16:58:23.882993673 +0100
++++ hplip-3.10.9/prnt/hpijs/hpijs.cpp	2010-10-18 17:00:00.510869032 +0100
+@@ -585,6 +585,7 @@ int main (int argc, char *argv[], char *
+    char *raster = NULL, *k_raster = NULL;
+    int status = EXIT_FAILURE;
+    int ret, n, i, kn=0, width, k_width;
++   int low_marker = 0;
+ 
+    openlog("hpijs", LOG_PID,  LOG_DAEMON);
+ 
+@@ -666,14 +667,17 @@ int main (int argc, char *argv[], char *
+ 			case WARN_LOW_INK_YELLOW:
+ 			case WARN_LOW_INK_MULTIPLE_PENS:
+                         {
+-                           fputs("STATE: +marker-supply-low-warning\n", stderr);
++			   low_marker = 1;
+                            break;
+                         }
+ 			default:
+-                           fputs("STATE: +marker-supply-low-warning\n", stderr);
++			   low_marker = 1;
+ 		}
+     }
+ 
++    fprintf(stderr, "STATE: %cmarker-supply-low-warning\n",
++	    low_marker ? "+" : "-");
++
+ #if 0
+    BUG("device model=%s\n", pSS->pPC->PrinterModel());
+    BUG("device class=%s\n",  pSS->pPC->PrintertypeToString(pSS->pPC->SelectedDevice()));
diff --git a/hplip.spec b/hplip.spec
index cd87a80..d998fc9 100644
--- a/hplip.spec
+++ b/hplip.spec
@@ -1,7 +1,7 @@
 Summary: HP Linux Imaging and Printing Project
 Name: hplip
 Version: 3.10.9
-Release: 2%{?dist}
+Release: 3%{?dist}
 License: GPLv2+ and MIT
 Group: System Environment/Daemons
 Conflicts: system-config-printer < 0.6.132
@@ -24,6 +24,7 @@ Patch7: hplip-udev-rules.patch
 Patch8: hplip-retry-open.patch
 Patch9: hplip-snmp-quirks.patch
 Patch10: hplip-discovery-method.patch
+Patch11: hplip-hpijs-marker-supply.patch
 Patch12: hplip-clear-old-state-reasons.patch
 Patch13: hplip-env-python.patch
 Patch14: hplip-hpcups-sigpipe.patch
@@ -171,6 +172,9 @@ rm -rf $RPM_BUILD_DIR/%{name}-%{version}
 # Fixed hp-setup traceback when discovery page is skipped (bug #523685).
 %patch10 -p1 -b .discovery-method
 
+# Fixed bogus low ink warnings from hpijs driver (bug #643643).
+%patch11 -p1 -b .hpijs-marker-supply
+
 # Clear old printer-state-reasons we used to manage (bug #510926).
 %patch12 -p1 -b .clear-old-state-reasons
 
@@ -460,6 +464,9 @@ fi
 %postun libs -p /sbin/ldconfig
 
 %changelog
+* Mon Oct 18 2010 Tim Waugh <twaugh@redhat.com> - 3.10.9-3
+- Fixed bogus low ink warnings from hpijs driver (bug #643643).
+
 * Thu Oct 14 2010 Jiri Popelka <jpopelka@redhat.com> - 3.10.9-2
 - Fixed utils.addgroup() to return array instead of string (bug #642771).