How to Connect Attain 3.6 to IBM 6400- i15 Heavy D

Dear All, We are implementing Navision Attain ver 3.6, and they have heavy duty IBM 6400 - i15 Printer with them. How do i connect the printer to Navision Attain ver 3.6 (for printing reports). Financial Reports are very big and they have the option to take multiple pages in single shot. So he is insisting to printing it on IBM printer. Please provide solution if any body knows. Thanx in Advance. [:)]