Importance

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Abstract

An apparatus for printing on sheet material is set-up in a modular fashion having physically added modules, particularly having modules stackable one on top of another, each module including a printing mechanism. The apparatus also includes a modular distributor unit that is distributed amongst the modules for distributing the blank sheet material to the available modules and, if required, for bringing together printed sheet material and for sorting the printed sheet material. The modules are designed such that they can be easily stacked one on top of another, so that no cabling or wiring has to be carried out. The connection of the individual modules with each other is made through a bus system having corresponding connection and expansion interfaces, for example in the form of plug-in connections. A central control unit is provided in a base module, which central control unit recognizes the connected expansion modules through the bus system and configures itself. The central control unit independently distributes the queued printing jobs to available modules and hence achieves optimally short run times for each individual job. The capacity parameters of the printing apparatus can be co-ordinated exactly with the needs of the user by means of the module concept.

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First Claim