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System Guide Hints and Tips
Common Controller 10-5
For cases where the background/underlay of the variable data
job is composed of 2 or 3 relatively static objects, it is suggested
to have the application create each static combination of objects
as a different underlay. This will be more efficient than having the
DocuSP perform the composition. When creating variable
objects to be overlaid on fixed underlays or backgrounds, it is
also important to ensure that the objects are properly cropped or
bounded and at the lowest acceptable resolution. The DocuSP
can compose 2 variable data objects of 2 inches by 2 inches and
300 dots/inch resolution about 10-20 times faster than it could if
the same objects were 600 dpi and 8.5x11 inches.
Image Quality
Generally the image quality of a base printing system will be
above average and the Image Quality (IQ) enhancements filters
provided within DocuSP will be unnecessary. If you wish to
improve output IQ, the DocuSP provides separate controls for
enabling Anti Aliasing, Trapping, and Intelligent Black Overprint.
Disabling all 3 of these IQ filters will improve performance. If you
are printing only a small number of copies, the expected
increase in RIP time will be visible as a significant fraction of the
total job processing time. When printing documents with a large
a number of copies, then the majority of the processing time will
be devoted to the actual printing and the RIP performance
decrease will be less visible (a smaller fraction of the total job
time). You should examine the DocuSP printed output with the
IQ enhancing filters enabled and disabled and decide whether
the IQ improvement is worth the performance drop for this
particular job scenario.
On DC 2045/2060/6060 there are certain scenarios where the
printer will cycle down and do an Image Quality (IQ) adjustment.
The % area coverage of the page (i.e. amount of image/text
written on the page) also effects the number of IQ Adjustments
that the printer will make. A standard letter size page (8.5x11
inches) is about 21.6x27.9 cm or about 603.5 square cm. If the
text and images written to a page cover more than about 250
square cm (about 40% of the page), then the print engine will
automatically generate IQ Adjustments. If you find that a
particular document seems to take a long time to print because
of IQ adjustments, improve performance by simplifying the page.
For example, the text and images on the page might be
downsized to cover less than 40% of the viewable area of the
paper and the performance may improve because the printer
does fewer IQ Adjustments.