16) A device for managing the supply of wrapping and/or additional or auxiliary materials in a system for the manufacture of tobacco products including at least one production machine, characterized in that it comprises a master control unit, a terminal by way of which to preset a nominal target number of products to be turned out by the machine during the course of the relative production run, connected on the output side to the input side of the master control unit, a counter registering the number of products emerging from the production machine, connected on the output side to the input side of the master control unit, also sensor means monitoring the consumption of each type of wrapping and/or additional and/or auxiliary material used by the production machine, connected on the output side to the input side of the master control unit;
- in that the master control unit is able to produce an output message processed at least on the basis of the received input data and indicating at least the requirement for at least one given type of wrapping and/or additional and/or auxiliary material to be supplied, and in that the selfsame master control unit is connected on the output side to the input of means by which information is passed to an operator entrusted with the task of replacing the depleted material.