US Patent 7865098 Smart developer cycle up

This invention provides supplying a model that will together with software and a controller, separately selectively cycle up (activate) or cycle down (inactivate) color stations in accordance with their need for a particular imaging run. The cycled down stations are not activated for the imaging run thereby preserving the quality of the developer and toner in that inactivated color station or housing. The model will vary, depending on the machine or desired images. Each model can later be used for machines of the same family.