(no subject)
(no subject)
- Subject: (no subject)
- From: Sunando Sen <email@hidden>
- Date: Mon, 16 Jun 2003 20:30:51 -0400
Richard Wagner < email@hidden > wrote:
>
Perhaps a more fundamental question. Why RIP? Ink-limiting seems to
>
be one major advantage. My understanding is that the only way to limit
>
ink through the Epson drivers is with the (relatively crude) media type
>
settings. Printer linearization? Is that important (as a separate
>
process) on an Epson 2200/9600? Can the profiling software do it? Am I
>
missing something (else)? If my goal is relatively high volume, high
>
quality prints from RGB source images, is there any other advantage to
>
a RIP? Speed? Should I just stick with good profiling of the
>
printer(s)? Or will ripping improve my overall output quality? So
>
many questions.... and I read the book!
>
>
I really don't have a need for printing/proofing CMYK source files. I
>
was an offset pressman years ago (in the early days of the Heidelberg
>
GTO), but those days are long gone!
Generally speaking, you want a full featured RIP for its production
features like job management, nesting, tiling, etc., even if you will
never need its postscript or prepress proofing capability (But then
again, you never know). If your goal is high volume, looks like you
will have to get the full version of ColorBurst, the one that runs on
Windows platform.
Another reason you might consider a RIP is if you have to print really
large images. The RIP is likely to have a better scaling routine than
the Epson driver. ColorBurst is perfectly happy with 150-200PPI files,
whereas the Epson driver seems to work best with 360PPI files. The
Epson driver will probably gag on a 40"x120" file at 360PPI (a 1.7GB
file).
Quality wise, the latest version of ColorBurst has really good
screening, and its new "chroma" based linearization routine is also
something unique (or so I am given to understand). The supplied
profiles are also excellent and you may only have to roll your own if
you are using media for which there is no canned profile from
ColorBurst.
I am sure others in this list can explain better, but idea is that
in-RIP ink limiting and linearization will give you a larger color
gamut (because the printer is now well-behaved, and, well, linear). I
believe Monaco Profiler will let you linearize before printing the
profiling patch, but only for CMYK profling. I have Profile Maker Pro
and it will only let you do a post profile linearization, again only
for CMYK profiling. So looks like you cannot run a linearizing routine
through your profiler, if you are printing from the Epson driver.
One thing I really like about ColorBurst is the great grayscale output.
And you can get great output even with mixed color & grayscale comps,
or with color & grayscale images ganged up together. This is something
I could not do with great success with the Epson driver, and I get the
impression that Colorbyte is no better in this aspect either.
Regards,
Sunando Sen
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