QTR-Quadtone RIP

Take Roy's advice and export your file as a Tif formatted file. There isn't any advantage to exporting to JPG for printing in QTR.

You should create a a master edited file in LR for archiving and then do what you need to do in QTR for printing using an exported TIF file. 

> 
> I print to a JPEG with the LightRoom print module and then try to print the resulting JPEG with QTR Gui.