Editing Prepress (section)

==Quality control==

Images in a print-ready PDF should be uploaded at 300dpi [[Image resolution|resolution]]. Any [[Vector graphics|vector]] artwork or text should stay vector including [[Clipping path|clipping paths]] embedded in images for cutouts, as the [[Raster image processor|RIP]] will [[Rasterisation|rasterize]] them at 2400dpi, it can take about 10gb of data to create the rasterized image for the printing plates. Text and vector can print at 2400dpi if it only uses one solid color as there will be no [[halftone]] dithering, that's why magazine text is so sharp. Images can only print at the equivalent of 300dpi because of the dithering needed for the gradients and mixed colors, although the dithering of the image is printed at 2400dpi (300dpi for images, and 2400dpi for text and vector are typical values stated by printers).

All artwork should be checked for imperfections in resolution, [[Font embedding|embedded fonts]], color profiles, printers marks and any obvious mistakes that were missed during the writing, design, editing or proofreading stages, although prepress are not accountable as the artwork should already be agreed as print-ready.