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Always score cover papers before
folding.
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If a job on coated paper is laid
out against the grain, it should always be scored to prevent
cracking. Folding with the grain might also require scoring.
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For best results, scoring should
be performed in a separate operation. This is especially true
when scoring and die cutting are done together.
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The most satisfactory scoring
results are obtained by using a male and female die on
letterpress equipment.
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When offset printed paper is
scored, it is important to retain the moisture introduced by the
fountain solution. This added moisture can be maintained by
covering the printed stock and by minimizing the time between
printing and scoring.
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If a stock is not scoring well
because it is too dry, the problem can often be corrected by
running the stock through an offset press and applying fountain
solution to remoisten the paper prior to scoring.
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For best results on the finished
job, test the scoring design on the specified sheet prior to
production.
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If the fold on a coated job runs
through an area of heavy ink coverage, it should be scored.
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Any job with a gatefold should be
scored at the thumb edge to help prevent cracking and to make the
job lie flatter.
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The ridge or bulge from the score
should usually be INSIDE the fold. Sometimes specific end uses,
(such as inserting a signature for binding), can mandate that the
score be inverted with the ridge on the outside. In instances
such as this, all aspects of the job should be reviewed first to
insure that this change will not adversely affect the finished
product.