I have tried Dan's method for ink limiting and can assure you it is
the best way to get lower L*'s, cleaner neutrals, and over better
color matches. 360 seems really high for an ink limit on a Matte
paper. I am not sure what RIP you are using, but my experience for
getting the lowest L* without sacrificing gamut is around 330 and
lower for a microporous paper. matte papers will always take less
ink. Up your resolutions and your TIL will need even lower numbers.
Actually another thing to look at is to see if your 2-3 color ink
limits are too high. Again each RIP does this slightly different, but
if you are using Epson UC inks, they are somewhat predictable. Yellow
is always way to strong and Magenta is usually pegged because it is
not really magenta it is blueish until it hits maximum limit.
Monaco and PM are were not built specifically for this ink set.
Therefore, proper inklimits and custom charts will help tremendously.
You might even be somewhat happy with PM's inkjet 260 default. Now
with that said I wish the manufacturers would publish best practices
for these printers as they are somewhat of the defacto for Proofing
and Fine Art.
On Jan 5, 2006, at 12:12 PM, Michael Fox Photography News Account wrote:
> The profiling software should ignore color patches that have a
> higher total
> ink build than what is called for in the total ink user input field
> so it
> shouldn't matter how much higher the RIP total ink limit is set.
> From: Dan Reid [mailto:photolist@rpim...]
> Well the profiling app is telling you have too much ink which is
> why it's
> building it at much less than your RIP ink limit. You may look at
> your ink limit at the RIP and you might find the shadow reversals
> (too much
> ink) go away. 360% is a lot of ink on paper so you must either A)
> have a
> super coated stock and/or B) not using a high printer resolution
> which would
> put down twice as much ink.
> I determine the sweet spot for RIP ink limit by evaluating
> different ink
> limit settings in ColorShop X. Look for the darkest L* and that's
> where you
> should set your ink limit. Use the same ink limit setting in
> reducing your
> profiling chart ink coverage.
> - Dan
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