Patent ID: 8320782

Claim:
An electrographic printing device, comprising: a plurality of printing groups each having a respective plurality of developer stations; a plurality of toner reservoirs outside of said printing groups and each being connected via a respective toner transport channel with one or more of said developer stations of one or more of said printing groups; each of the toner reservoirs arranged outside of the printing groups being stored in a respective toner transport unit; each of the toner reservoirs being provided with a respective first circuit having a memory in which is stored at least a color filled into the respective toner reservoir; a respective second circuit with a memory associated with each of the respective toner transport units, and in each said respective memory is stored at least the respective toner color filled into the respective stored toner reservoir; a respective third circuit with a memory provided for each developer station, said respective memory having stored therein at least a toner color filled into said respective developer station; and a main control module that controls work flows in the printing groups and interrogates the respective colors contained in the developer stations and toner reservoirs.