![]() PDF/X is a subset of the Adobe PDF specification, and it requires that PDF files meet specific criteria, resulting in more reliable PDF files. No matter where you're creating a PDF file for professional printing, ensure that you're using the Press-Quality PDF settings file or the settings file recommended by your printer. By default, Acrobat PDFMaker in Microsoft Office creates PDF files using the Standard settings file, which doesn't meet the requirements for most high-end printing. The PDF settings file determines how image data is saved, whether fonts are embedded, and whether colors are converted. When you create the PDF file, make sure that you're using the appropriate settings. Use the appropriate PDF settings file. ![]() Read the end-user license agreement (EULA) before purchasing a font, to ensure that it permits embedding. ![]() To minimize the chance of complications, embed fonts in the PDF file. Certainly, technical problems found while you're still working in the authoring program are easier to fix than problems found in Acrobat or on a printing press. The earlier you can identify and fix a problem, the easier and less expensive it is to fix. Additionally, if the authoring application provides a preflight feature, use it to identify missing fonts, unlinked images, or other issues that could result in problems down the road. Carefully proof the content and formatting before creating a PDF file. Early in the workflow, you have more context for problems, and more options for fixing them. Proof and preflight before creating the PDF file.Use the highest-quality flattener settings when you flatten transparency.Place objects you don't want the flattener to affect (such as text and line objects) above all nearby sources of transparency, preferably on a separate layer.Keep transparency live as long as possible.For the best results, try these techniques: Transparency comes into play any time you apply a blending mode or change the opacity of an object. And don't convert colors from device-independent or high-gamut color spaces (such as RGB) to device-specific or low-gamut color spaces (such as CMYK), unless advised to do so. Maintain live transparency as long as possible. Keep text in its original form, as fonts, rather than outlining or rasterizing it. Therefore, the printed product will most closely resemble your original intent if you minimize conversions. Every time you convert text, objects, or color, you compromise the integrity of the file. Convert only when absolutely necessary.For high-quality printing, a PDF file must contain the appropriate images, fonts, and other components. ![]() Remember that the end product is only as good as its components.Used with permission of Pearson Education, Inc. This article is adapted from Adobe Acrobat 9 Classroom in a Book. ![]()
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