* Removes power from printer when it hasn't been used for a
while. * User can set the amount of time to wait before removing power.
* Returns power to printer when print signal is sent from computer. *
Buffer holds data until the printer finishes initializing and becomes ready to
receive data. * Not recommended for bubblejet, inkjet, or other printers
that have a "shutdown" circuit. * Doesn't work on the IEEE-1284