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Crossover

In online printing, a crossover is a page spread where text and/or an image crosses over the spine from the left page to the right page. It is important to properly align these pages so that the objects that cross the spine do not appear to be misaligned or partially omitted.

The following best practices will help hide visual imperfections in the normal production process for an online printer:

  • Keep the main subject in images from crossing the spine. For example, it is not visually appealing for someone’s head or face to be in the spine.
  • Keep text away from the spine. To do this, align the text so that the spine is between words. If that isn’t possible, use a large bold font that will be less noticeable than a thin scripted font.

Making crossovers look good is more critical for Perfect Bound Booklets than Saddle Stitch Booklets. Perfect Bound Books generally have more pages and don’t lay completely flat, so it is difficult to see what’s close to the spine. More advanced crossover techniques and online printing services may be required for them.

Because of how the spine is constructed, the hinge (or pivot point) between the inside cover and the first text page is generally 1/4″ away from the edge. If critical crossovers are used with a Perfect binding, compensation will need to be made to the file in order for them to not be noticeable.

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