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GETTING THE MOST
FROM BLACK continued
Black will inevitably appear duller on uncoated stock because of the
absorbency of the paper. This absorbency also means that any fi ne
10pt
detail reversed out of black may disappear. We do not recommend less
than 8pt text, for example, on uncoated stock.
9pt
You may think that it would be okay to have ‘three or four colour’
8pt
black text as long as the total ink coverage is less than 300%. You’d
be wrong! Black text should never have more than 140% ink
coverage. “Four colour black” text is virtually impossible to print, will
7pt
look blurred and may cause sheets to stick together.
6pt Also be aware that black within a photograph as a background may
have a different CMYK make-up to other parts of your design. This will
5pt
be noticeable when printed, even if not on screen. Placing a photograph
with a black background over a black area in Quark, for example, may
reveal a difference between the two shades of black when printed.
To overcome this, take a sample of the black that the background is
required to match in an application such as Photoshop (use the colour
black text
picker tool). Then simply mix the matched colour in, say, Quark – paying
should
careful attention to the overall ink coverage.
never have
Remember – if the product you have chosen is black only on the reverse,
more than
it must not contain any cyan, magenta or yellow information (see p21
140% ink for information on checking your separations).
coverage
4 colour black
100% black
27
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