You could try this one (remove the prompt for the printer - enter that value via code and change the looping through all pdfs in a directory to just a single call for one pdf):

Message #1429202

>But without at least some kind of automation (DDE) it's impossible to do, because how am I going to know when to close the Reader, especially on lardge print jobs?
>
>>Yes, you have to.
>>
>>>Sergey, you are saying that in order to send next print job to another printer I have to close the Reader first?
>>
>>>>As long as Acrobat is running, it'll ignore any changes to the Windows default printer.
>>>>
>>>>>I am not sure if I can safely switch printers while a printer is still printing. But I guess I can try ...
>>>>>