Digital BW, The Print

At 00:56 -0700 25.10.2003, Paul D. DeRocco wrote:
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>  > From: Martin Sluka [mailto:martinsluka@...]
>>
>>  The best inkjet for giclee - IRIS and its clones - produces as large
>>  as 96 pl dots (firing all 36 possible 3 pl drops in one place).
>>  2200/2100 has largest drop only 22 pl - about 4,5 times less. Simple
>>  if you use only BO 100 % black ink only and if you use 100 of all
>>  black inks of quadtone system you should receive black with higher
>>  density in second case. Any black pigment one may use is not 100 %
>>  black (only black hole does it) --> more black pigment = more black.
>
>But what's the dot resolution of the IRIS? Does it put 96pl of black ink on
>1440x2880 dots in a square inch? That would be 32ml of ink to cover an 8x10
>image. Something tells me they put out 96pl of ink because they have
>somewhat lower resolution. If they're, say, 720x1440, then that would be
>roughly equivalent to 22pl drops at 1440x2880.

You are right, IRIS uses 300 dpi and 33 levels (x 3pl) of dot size. 
The Epsons 22 pl and 1440x1440 dpi is enough to compare with.

But all this discussion is about feeling, not about calculations. :/

Martin

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