If you create multiple copies of the printer on the same machine, the same script file applies to all. To use a separate script file for each printer, you can add a registry key to the registry information for each printer. This registry key tells the printer where to look for it's script file.
1)Open the registry key for the desired printer. Here we are opening the registry key for the printer named My Raster Printer.
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Print\Printers\My Raster Printer\PrinterDriverData
2)Create a new string value named Scripting file.
3)Set the data in the new string value to the complete path to the script file to use with this printer, for example: