Introduction
This appendix provides basic information about photographic princi-
ples used by SelectSet Avantra laser imagesetters. It is intended as an
introduction for novice operators and as a review for experienced pre-
press operators.
The SelectSet Avantra laser imagesetter produces high-resolution type
and graphic images. To attain the quality that the SelectSet Avantra
can deliver, you need to use the optimum exposure setting for your
imaging medium.
Before you begin production, execute and evaluate exposure tests. To
maintain high quality standards, repeat this procedure at regular inter-
vals.
Importance of Optimum Exposure
To get the best possible image quality from your SelectSet Avantra, you
need to satisfy these two conditions:
1. The developed photographic image has adequate density.
2. The developed photographic image has been given the optimum
exposure.
There are many variables in the photographic process. Strict control of
the process improves the quality of the output. The more variables you
eliminate from the process, the easier it is to control.
Image Quality
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A–1
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