From the MicroStation Print dialog, choose Select Printer Driver Configuration File and select the printer driver of your choice.

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Before using Map Finishing Print, the variable CS_PLTFILES must be defined to a folder of your choice.  This folder will be used to place temporary files that are used to create the print file. 

 

Also un-check the Print to File box, then select the desired Printer from the list.  This printer must be capable of printing postcript files.