US Patent 7226158 Printing systems

A system includes at least first and second marking modules, each of the marking modules including a marking engine and at least one media feeder which feeds print media to the marking engines. First and second output modules receive print media from the first and second marking modules. The first and second output modules each include a finisher. At least one print media network selectively conveys print media between each of the marking modules and each of the output modules. The first and second output modules each include a portion of the print media network, the portion extending between an inlet interface and an outlet interface of the module.