A
8-96 Desktop Color Primer
Color Reference Guide for C9800 - 96
Print the files and examine the output. You will likely begin to see a marked
deterioration in output quality at resolutions below 200 ppi, while above 200 ppi the
improvement may be very subtle.
Raster images prepared for offset printing may need to be at higher resolutions than
necessary for proofing on your Fiery.
Scaling
Ideally, each raster image should be saved at the actual size, and it will be placed in the
document at the optimal resolution for the printer. If the image resolution is correct for
the printer, there is no quality advantage to be gained by scaling an image to a percentage
of its actual size. If you scale a large image to a percentage of its actual size, you incur
unnecessary file transfer time, because the image data for the entire large image is sent to
the printer. If an image is placed multiple times at markedly different sizes in a
document, save a separate version of the image at the correct size for each placement.
If you need to place an image at greater than 100% in a document, remember that the
output image resolution is affected. For example, if you scale a 200 ppi image to
200%, the image is printed at 100 ppi.
Image quality
Image resolution
100 ppi 200 ppi 300 ppi 400 ppi 500 ppi 600 ppi
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