To design an invoice for a star printer, you must use one of the 4 pre-designed 40 col invoices and edit it. They are located in G:57XTOOLSINVOICE and are named Star40*.*. SP 312/316: The printer type in RPRO must be set at IBM GP, printer activities must be changed to 17 CPI, and page breaks set to no. Otherwise the x/z will not print correctly. DP 8340: This printer type must also be set to IBM GP and no page breaks, however, set the activities to 12 CPI or the receipt prints upside down.