A massage machine has an operating control device which is easy to manipulate for the user to be massaged in a comfortable state. The stacking assembly includes a support blade moveably mounted to a bin for accepting a stack of mailpieces and an ingestion assembly including a Leading Edge urge roller and Trailing Edge alignment device. The sense signal is based on an output of the output regulator. In response to the user’s question, the user is presented with a list of potential answers to the question in a drop-down menu.