The copier has push-button control. A keypad (221) is used to determine the number of copies required. A second button (224) is used to start copying and a third (222) to interrupt the run.Indicators show the number of copies selected (225) and actually completed (226).Lamp indicators show the stage of operationor interruption, also the type of magazine, format size and paper magazine in use. The operation of the copier's control circuits is by binary logic
