Before you export and supply the ready to print PDF files, please make sure :
- Colour images in CMYK colour mode (not RGB or Lab)
- Not to include colour profiles or colour management.
- Resolution of colour images and images in grayscale – minimum 300 dpi in real size.
- Resolution of black and white images (line art) – minimum 800 dpi in real size.
- Ink coverage ≤ 300% (for a deep black you can use : C30% - K100%).
- For all types of printed parts there has to be an additional 3 mm on each outer edge (cuttng bleed).
- Template, cutting, folding lines should NOT be visible. Crop marks are recommended though.
- Fonts should be either embedded, converted into paths or rasterized
- Files are nammed properly with template code, front, back, page, ... informations
- Spot varnish, Hot foil, embossing files in a separate PDF then CMYK with a unique 100% spot color