Sending your map layout to a printer is easy with the PrintMap() function. By default, the print job will be sent to the default printer saved with the map document, but you can also define a specific printer to which the job should be sent.
The arcpy.mapping module provides a PrintMap() function to print page layouts or data frames from ArcMap. Before calling PrintMap(), it is a common practice to call the ListPrinterNames() function, which returns a list of the available printers for the local computer. A particular printer can then be found by iterating the list of printers that can be used as an input for the PrintMap() function.
PrintMap() can print either a specific data frame or the page layout of a map document. By default, this function will use the printer saved with the map document or, the default system printer in the map document. As I mentioned earlier, you can also use ListPrinterNames() to get a list of the available printers, and...