I have a project which required printing on magnetic vinyl. I received a sample from the printer and the quality is awful, pixelated and grainy (see attached sample). The printer is usually excellent, but they cannot figure out the problem, and the manufacturer is unhelpful. Can anyone shine a light on how I can get better print quality? Printing from a PDF X1a file, with high res images and vector artwork.
Edit: 600dpi tiff conversion solves the issue. Here is a sample of the reprint with proper quality;