From: Katharine Thayer (kthayer@pacifier.com)
Date: 09/08/02-04:52:48 AM Z
P.S. I just realized John wasn't asking about gum printing specifically,
so should probably add that this may only work for gum, with the
multiple printings. I think even the stochastic dot, at that resolution,
would show in most other processes.
kt
Katharine Thayer wrote:
>
> John Cremati wrote:
> >
> > Hi,
> > I have a Hewlet Packard HP 5000 Black and White Laser Printer. Can
> > this printer be used at all to form digital negatives or color
> > separations?......
>
> The answer is, maybe. I wouldn't use the standard laser printer
> halftone screen; you'll probably get dots on your print. But using a
> stochastic bitmap file, following Dan Burkholder's instructions for
> preparing files for the imagesetter, I made very nice tricolor gums from
> laser printer negatives for several years while waiting for epson to
> develop their photo-quality printers.
>
> But it also depends on the printer. Some laser printers just won't do
> the heavy blacks without banding, and some (mine, for example) started
> out fine but later developed banding that couldn't be fixed. So it's a
> gamble, but if you've already got the printer, you don't have much to
> lose trying it.
>
> I don't have a website, so I use Bostick & Sullivan for my website when
> I want to show an image for discussion or instruction purposes (thanks,
> Dick!). There is a tricolor gum print on the B&S forum that was made
> from stochastic negatives from a 600 dpi laser printer; it's under
> Coffee House, the topic is something like "inkjets, spectral density and
> gum," and the post is dated 7/6/02.
> kt
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