title: How to disable print preview on Google Chrome ver 38?
body: <p>I have develop POS using web browser.  But when I use onload="window.print();" a print preview appears and you need to press the ok to proceed printing.</p>
  
  <p>There are recommendations from other sources to add --disable-print-preview on the short-cut. These appears to be working on old versions. </p>
  
  <p>What version this extension works? or any other way to disable from the latest version of chrome? </p>