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Digital BW, The Print

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Re: [Digital BW] Re: Nicholas Hartmann's Mono/multiple passes

2001-09-03 by Jerry Olson

Todd, I printed the somersets. Here's the results:

They all printed identically, with the same blacks. Not quite as good as Epson archival. If you didn't have a lot of large black areas in
your print, they would be quite nice. I don't think these papers are the same as the original. The thicker one is a very nice paper.

Jerry


Todd Flashner wrote:

> Well, I got the feeling if the print were being back-lit the extra density
> would have made a difference, but once enough is put down to be opaque over
> the paper, the only way at that point to increase depth would be to add
> gloss, to change it's reflectivity. What was happening in my case was that
> the more tones of "black" I included in my image, the more they blocked up,
> and detail was lost, yet just hitting the true blacks with a second pass was
> too minimal to matter.
>
> > Todd, I've also noticed that SOME times you can indeed get a perfect
> > registration. I couldn't hardly believe it. It sure is odd you didn't
> > get any denser blacks with a second pass. Guess the ink was really black, no?
> >
> > J
>
> >
> > Todd Flashner wrote:
> >
> >> Regarding multiple passes of the same sheet on a press, I did try running a
> >> print through my 1160 twice to try to lay down a denser black. First I ran
> >> the print through as normal, then I made a mask which allowed for printing
> >> only of the lower values of the print. I wanted to leave the mid tones and
> >> highlights alone on the 2nd pass, but double up the blacks. Good news and
> >> bad. Good: perfect registration (if anyone is going to try this I recommend
> >> you do immediately successive passes on the same printer, so that the paper
> >> guide and everything is exactly as it was on the first pass. Bad: no visible
> >> density difference. Now if I did two passes over the entirety of the print
> >> it'd double the density, and the whole print would be (was) a stop darker,
> >> but by just doubling up the blacks *I* did not see the benefit.
> >>
> >> Oh well...
> >>
> >> Now, if you could/can get exact registration on two printers you could do
> >> some very interesting toning effects by printing colors over quads, for
> >> instance. Not that any one should want to, but it does make for some
> >> interesting possibilities.
> >>
> >> Todd
>
>
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