Patent attributes
A printer system includes a printer engine that produces an engine power status signal and a printer controller that produces a controller power status signal. A power management interface receives the engine power status signal and the controller power status signal and alters the power status of the printer controller by generating a power management signal based on the power status of the printer controller and the printer engine. The interface preferably alters the power status of the printer controller such that the power status of the printer controller tracks the power status of the engine. The interface may assert the power management signal in response to a transition in the engine power status signal and may format the power management signal according to an industry stand such as the PCI defined PME signal. The interface may be implemented as a board inserted in a PCI connector of the printer controller.
