An apparatus for producing a franking image uniquely allocated to one cost center among a plurality of cost centers and combined with one advertisement among a plurality of advertisements, comprising:
- an automatic postage meter unit having accounting means for conducting accounting procedures for entering and debiting funds in a plurality of different user accounts respectively uniquely identified and accessible by a cost center number, first and second means for entering data, means for generating a user-identifiable data output regarding said accounting procedures, input/output control means for controlling transfer of data between said first and second means for entering data and said means for generating a data output, an electronic printer, and a processor;
- a plurality of chip cards respectively possessed by different users respectively associated with said user accounts, each chip card having a memory with data including a chip card number and its user's cost center number and an advertising design number stored therein;
- a chip card write/read means, forming said second means for entering data, for reading the data stored in the memory of one of said chip cards which is currently inserted in said write/read means including said chip card number, the user's cost center number and the advertising design number;
- and
- a non-volatile memory contained in said processor having a plurality of advertising images stored therein, each advertising image being identified by an advertising design number, and said processor downloading said data from the currently inserted chip card into said non-volatile memory, and said processor including means, after downloading said data from said currently inserted chip card, for automatically setting said printer to set said printer apparatus to cause printing of a franking image in combination with an advertising image corresponding to the advertising design number on the currently inserted chip card, and to cause said accounting means to debit the user account corresponding to the cost center number by an amount corresponding to a franking amount.