Printing in the print shop
To print posters at your local print shop you have to save posters as images or pdf documents first. See Saving a document as an image/pdf for more info.
For optimum poster quality we recommend you specify the maximum image quality and original image size in the Save As Image/PDF dialog.
Note: The current version of the software does not support CMYK colorspace, and generated images/pdfs have RGB-colorspace. That's why you have to ask print shop whether they support RGB-image printing or not.