python-escpos
diff --git a/src/escpos/printer.py b/src/escpos/printer.py
@@ -312,5 +312,13 @@ def output(self):
         """ Get the data that was sent to this printer """
         return b''.join(self._output_list)
 
+    def clear(self):
+        """ Clear the buffer of the printer
+
+        This method can be called if you send the contents to a physical printer
+        and want to use the Dummy printer for new output.
+        """
+        del self._output_list[:]
+
     def close(self):
         pass
diff --git a/test/test_function_dummy_clear.py b/test/test_function_dummy_clear.py
@@ -0,0 +1,8 @@
+from nose.tools import assert_raises
+from escpos.printer import Dummy
+
+def test_printer_dummy_clear():
+    printer = Dummy()
+    printer.text("Hello")
+    printer.clear()
+    assert(printer.output == b'')