![]() To a lesser extent people also reported issues with corrupted fonts, corrupt PDF files, incorrect CMYK separations, missing objects, RIP errors and incorrect use of layers. If that is not the case, an operator needs to fix this manually or a new PDF file must be requested. A die line should, for example, be defined as a spot color named ‘dieline’ and set to overprint. Technical elements are not defined properly (20+%)Ī document may need to contain data for die-cutting, embossing, spot varnishing, or some other type of embellishment.The conversion of spot colors to CMYK differs from the expected result (20+%).This can lead to incorrect color separations The output intent is missing or wrong (20+%)Ī typical example is the use of a US-specific output intent such as SWOP for files printed in Europe.Colors are not reproduced correctly (20+%).Flattening can also cause white rectangles to appear in graphic elements such as artwork or images. It can cause shifts in color or make text appear fat. There are issues with flattened transparency (30%)įlattening can cause thin white lines to appear.Obviously the worst problem is receiving a PDF file that has a different aspect ratio. A typical example is a business card measuring 85×55 mm positioned in the center of an A4-size page. These boxes are used to check if the PDF page size is correct, which sometimes is not the case. The PDF file format uses so-called page boxes to define page dimensions and bleed. ![]()
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