title: How to send a file directly to the printer without using window.print() in php/javascript
body: <p>I need to print a pdf file directly without showing print preview. When i am using </p>
  
  <blockquote>
    <p>window.print()
    it goes to windows print preview page. But i need to send the file directly to the printer without showing print preview page</p>
  </blockquote>