diff -up hplip-2.8.10/base/module.py.systray hplip-2.8.10/base/module.py
--- hplip-2.8.10/base/module.py.systray	2008-12-11 12:05:42.000000000 +0000
+++ hplip-2.8.10/base/module.py	2008-12-11 12:05:46.000000000 +0000
@@ -57,7 +57,7 @@ class Module(object):
 
         self.avail_modes = avail_modes
         self.supported_ui_toolkits = supported_ui_toolkits
-        self.default_ui_toolkit = sys_cfg.configure.get('ui-toolkit', 'qt3')
+        self.default_ui_toolkit = sys_cfg.configure.get('ui-toolkit', 'qt4')
 
         self.default_mode = INTERACTIVE_MODE
 
diff -up hplip-2.8.10/systray.py.systray hplip-2.8.10/systray.py