Issues with Separations

after ten years without issue, our print shop has lately been having problems separations we've been sending.  things have changed i've been upgraded cs5 cs6 , print shop installed new rip software offset press.  in nutshell, problem when export plate single spot color (in case pms black), guy @ print shop says file being read cmyk.  i've double checked inks other spot color unchecked in ink manager , printed pdf, insists he's getting 4 plates , if prints black plate prints screen.

 

as part of investigation this, tried experiment.  created page in indesign on placed 2 boxes, 1 filled pms blue , other process green.  printed pdf separations pms blue ink selected.  expected, produced single page pdf showing box in black page title of "pantone blue 071".

 

however, when @ pdf in acrobat, ink manager shows cmyk channels , no pms blue.  if export separations acrobat, generates 4 page pdf 3 blank pages c, m, , y.  square filled pms blue in original indesign file appears on fourth (k) page.  still, box appears solid black , doesn't should print screen.  however, don't see in acrobat properties or print dialog boxes mentions pms blue @ all.

 

can give me insight what's happening here can advise our print shop on possible solution?  said, last ten years i've separated spot ink unchecking other inks in ink manager.  i've never had issue resulting pdf, first time i've had process.  it's worth, offset press they're using old , new rip software instaled kodak product, though can't remember name right now.  find out if it'd useful.  appreciated.  in advance assistance!

however, when @ pdf in acrobat, ink manager shows cmyk channels , no pms blue.

is there reason can't export pdf/x-1a or x-4 id produce pdf spot separation? why can't print shop take cmyk + spot pdf , print spot separation on end?

More discussions in InDesign

adobe