Different papers have different color profiles, different thicknesses,
different resolution limits and different "ink load" limits, so
theoretically all of these could be controlled by choice of paper.
By controlling color with the printing program you eliminate the first
of these as an issue. (This is what you do with profiling systems.)
The Epson printers I have tried (C80/84/86/88 R220/1800 2200) seem to
handle paper thickness either manually or by some sort of (unreliable)
sensing system independent of the firmware, so that probably isn't a
concern either.
Different paper choices using the Epson drivers often gives you
different resolution possibilities. When I print on a good matte paper
I have to choose some non-matte paper setting if I want 2880 dpi.
That leaves only control over the maximum amount of ink the paper can
use. I do not know whether choice of paper actually controls this, but
if it does you can usually override it to achieve a good print. I try
to make choices as close to high quality matte surfaces as possible,
since these seem to absorb more ink than glossy surfaces. If it turns
out to be too heavy on the ink you can back off pretty easily.
When I do not let the printer control colour, I have never seen any
significant difference between different paper settings, at least on
the 2200 and R1800.
More advanced printers -- e.g. the 4880 -- might adjust for paper
thickness according to your choice, too, although I don't have any
experience with them. Those with better color vision might see
difference, though!
Myron
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On Jan 3, 2008, at 4:05 PM, CDTobie@... wrote:
>
> In a message dated 1/3/08 2:56:31 PM, paul@... writes:
>
>
>> In every quadrant, the results are exactly the same. No visible
>> differences at all.
>>
>> I would have thought that some change would be seen.
>>
>> Am I doing something wrong?
>
> I would suspect the opposite; that any of these settings would be
> okay, and pretty much identical, for profiling this printer/paper
> combination.
>
> C. David Tobie
> Product Technology Manager
> Digital Imaging & Home Theater
> Datacolor
> CDTobie@...
> www.datacolor.com/Spyder3
>
>
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