print one click

[cmcanulty]

I manage the printers ast our local library. Cuurently we just got an epson receipt printer. So every time someone checks out a book we click "print a receipt" . I would like to eliminate the windows 7 confirm print step to save time. I don't think it matters what printer just hoping to eliminate the confirm step. If anyone has a tweak to do that please reply. I realize this may mean a few pages printed by mistake but it would save the librarian a lot of clicks.Thank you