--- hplip-3.11.10/base/pkit.py.org	2011-11-30 20:01:59.640469386 +0100
+++ hplip-3.11.10/base/pkit.py	2011-11-30 20:06:43.216664960 +0100
@@ -30,6 +30,11 @@
 import shutil
 import stat
 
+try:
+    from hashlib import md5 as md5
+except ImportError:
+    from md5 import md5
+
 # Local
 from base.logger import *
 from base.g import *
@@ -318,7 +323,32 @@
             log.debug("shutdown: %s" % str(e))
             return False
 
-
+def binaryPatch(f):
+    try:
+        # file, md5sum, replace content at address with specified byte
+        patches = { 'lj-x86_32.so' : { 'md5': '30bdf8c844508a53d80362f9eba670c5',
+                                       # https://bugs.launchpad.net/hplip/+bug/666780
+                                       'replace' : [ (0xA068, 0x10) ] },
+                    'lj-x86_64.so' : { 'md5': '28e1b2cde011cbbcd4b5c85c1866c893',
+                                       # https://bugs.launchpad.net/hplip/+bug/666780
+                                       'replace' : [ (0xD0D0, 0x10) ] }
+                  }
+        fs = os.path.basename(f)
+        if fs in patches:
+            d = open(f, 'rb').read()
+            m = md5()
+            m.update(d)
+            m.digest()
+            if patches[fs]['md5'] == m.hexdigest():
+                file = open(f, 'rb+')
+                for (addr, val) in patches[fs]['replace']:
+                    file.seek(addr)
+                    file.write(chr(val))
+                file.close()
+    except Exception, e:
+        log.error("Could not patch binary `%s' for known issues." % str(e))
+        return False
+    return True
 
 def copyPluginFiles(src_dir):
     os.chdir(src_dir)
@@ -411,6 +441,9 @@
             continue
 
         else:
+            
+            binaryPatch(trg)
+
             if not os.path.exists(trg):
                 log.error("Target file %s does not exist. File copy failed." % trg)
                 continue