No Border printing w/ Adobe Acrobat Pro DC

I am at a loss here.  I need to print this PDF without that little white border on the page.  I followed steps from various youtube videos but I do not have a field in either of my printers that say print borderless.  I finally figured it about about a year ago an silly me did not write it down.  It took me forever to figure it out.  I am hoping someone on here can save me a lot of time.  Thank you in advance.  Donna