Why does text printed with low ink volume on glossy paper often become illegible, even when a high-resolution font is used?

💡 Explanation

Low color contrast impairs edge detection because the small difference in luminance between the ink and the paper reduces the effectiveness of the visual system's contrast sensitivity function. Therefore, it becomes difficult to distinguish individual characters, rather than problems related to x-height, leading, or kerning, which might affect readability under different circumstances.

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