Card refinements

plugins/printers/plugin.py

@@ -286,6 +286,21 @@ class PrintersPlugin(BasePlugin):
 
         return [printerscli]
 
+    def get_settings_defaults(self) -> List[Dict]:
+        """Settings this plugin owns for the dashboard card."""
+        return [
+            {
+                'key': 'printers_dashboardpercent',
+                'value': '5',
+                'valuetype': 'integer',
+                'category': 'printers',
+                'description': 'Supply percentage at or below which a printer '
+                               'appears on the dashboard. Tighter than the '
+                               'low-supplies report, which is for planning an '
+                               'order rather than walking out to change one.',
+            },
+        ]
+
     def get_dashboard_widgets(self) -> List[Dict]:
         """Dashboard card: printers needing a cartridge.