Abstract: An apparatus (1) for emptying a cistern (3) which apparatus includes control unit (2, 102, 202), a pair of actuators electrically connected to the control (2) unit and first and second cables (8a, 8b) each of which is operated by one of the actuators. A first end of each cable is connected to a respective one of the actuators and a second end of each cable is connected to a valve fluidly coupled to an outlet of the cistern. In use, the apparatus actuates the first cable to open the valve for effecting a full flush in response to a first signal received by the control unit. The apparatus is also configure do actuate the second cable to open the valve for effecting a partial flush in response to a second signal received by the control unit. Input means, preferably in the form of an infrared proximity sensor, is provided to receive a command from a user to generate the first and/or second signals.

Abstract: A segment and heater fuser roll is disposed for a printing device including a plurality of heating elements in a preselected order relative to a voltage return. A plurality of voltage taps are disposed for applying selected power to ones of the plurality of heater elements. The heater elements vary in power density per unit length.

Abstract: A fusing apparatus for xerographic printing includes two lamps therein. There is applied to the first lamp a first wave set and to the second lamp a second wave set, each wave set comprising a predetermined arrangement of active half-cycles for each time period. The first wave set and second wave set are related to substantially minimize simultaneous active half-cycles in each time period.