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Production for Print by Mark Gatter

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Highlights and Mid-tones

Alas, the highlights still need watching. As with grayscale images, you can use Image > Adjustments > Threshold to find the lightest areas, and then place a marker there with the Color Sampler tool (see Chapter 4). If all four colors are present at less than 5%, and you are printing on an average-quality coated stock (you should adjust this figure if you are using a different paper), none of them is likely to make it onto the final printed page. In that case, you will need to adjust highlight levels to ensure that at least one of the colors will be present.

As for the mid-tones, you can use backward calibration (see Chapter 3), which works very well, especially for grayscale images. Talk to your repro house, or whoever ...

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