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The most common mistakes when creating print data

Most delays in printing arise not on the press but in the file. Missing bleed, an image in RGB or a font that is not embedded can set a project back by days. In the worst case, the job is printed incorrectly. Here are the most common mistakes and how to avoid them.

1. No bleed or too little bleed

Trimming involves minimal tolerances. Without bleed, white edges can appear. Solution: extend backgrounds and edge-to-edge images 3 mm beyond the final format.

2. Text too close to the edge

Important content right at the trim or fold line can be cut off. Solution: keep a safety margin from the edge and from crease and fold lines.

3. RGB instead of CMYK

Screen colours (RGB) are converted for printing. Bright shades can look dull and distorted as a result. Solution: create data in CMYK with the right colour profile. More in our article CMYK and Pantone.

4. Image resolution too low

Images from the internet or heavily enlarged photos become pixelated in print. Solution: at least 300 dpi at actual print size.

5. Fonts not embedded

Missing fonts are replaced with substitute fonts. The layout shifts. Solution: embed fonts in the PDF or convert them to outlines.

6. Small text in four colours

Small black text made up of all four inks becomes blurred with the slightest registration deviation. Solution: set text in pure black (100% K). For large black areas, on the other hand, a rich black with added colour is recommended.

7. Lines too fine

Hairlines can break up or disappear in print, especially in reversed-out text or with finishes. Solution: use sufficient line weights. We will gladly advise you on minimum values.

8. Spot colours defined incorrectly

A Pantone colour accidentally converted to CMYK, or several differently named versions of the same colour, lead to errors. Solution: name spot colours clearly as HKS or Pantone and use them consistently.

9. Die line errors (packaging)

Solution: always work with the printer’s original template and check a folded mock-up. We provide templates for your style of box.

10. Finishes not set up

Hot foil, spot varnish or embossing need their own data. Solution: set up finishing areas as a separate layer or spot colour, in exact register with the design.

11. White elements set to “overprint”

White objects set to overprint disappear in print. Solution: check overprint settings before exporting.

12. Barcodes too small or in the wrong colour

Unreadable barcodes are particularly annoying on packaging. Solution: respect the minimum size and use dark bars on a light background, ideally in pure black.

How to stay on the safe side

You will find all the basics in our article Supplying print data correctly. Our print data check reviews your files free of charge before production and lets you know if something is wrong. You will receive a binding quote within 24 hours.

Request a quote →