From: Nick Makris (nick@mcn.org)
Date: 02/01/01-07:46:01 AM Z
Judy, Is the Epson 1160 a 4 ink or 6 ink printer. Seems that most of the
excessive ink problems came with the 6 ink printers. Also, have you tried
the Epson Backlight film, I have had the most success for inkjet neg with
it. I could send you a sample to try.
Nick
----- Original Message -----
From: "Judy Seigel" <jseigel@panix.com>
To: <alt-photo-process-l@skyway.usask.ca>
Sent: Wednesday, January 31, 2001 7:15 PM
Subject: RE: Desk top paper negatives - wax?
>
>
> On Wed, 31 Jan 2001, Andre Fuhrmann wrote:
>
> > >> >why
> > >> >> don't y'all use the semi transparent 'paper' that was used
> > >> for technical
> > >> >drawings
> > > > >> (in the pre CAD aera)? ...
> > > >
> > > > ...since vellum
> > > > doesn't absorb ink as readily as paper does, you may get some
smear.
> > >> This can be avoided by tinkering with the transfer curve (in
> > > > Photoshop).
>
>
> Hi Andre,
>
> I'm wondering if you would describe your vellum a bit more. If you look
> through a light at it does it show a texture? Mine does, kind of like
> little floating strings or fat little threads, though I don't know if they
> would matter in printing or not. (I'll test asap.)
>
> I've been trying to make negatives with it, & so far failing. Got a
> pack of these nice big sheets (17 by 22 inches, that's 42 by 56 cm) for
> the Epson 1160. Unfortunately, this particular vellum, though supposedly
> for laser & inkjet, doesn't take the inkjet ink well. If I adjust the
> curve enough to cut down the ink so it doesn't blotch & blob, it doesn't
> give enough density to print (no more than log 0.45 on the densitometer,
> at the MOST).
>
> I'm wondering if you have a better vellum, or if maybe there are some
> better ones here and I should try another. What's the name of yours? Any
> special description? Or I wonder if I could put a cornstarch size on mine
> (or is that ridiculous?). Then I ALSO wonder if maybe you're using a
> different inkjet ink... mine so far is the black came with the printer.
>
> Next resort is the orange negative a la Dan Burkholder, which I assume
> will work -- that is, make a print with little enough ink so it doesn't
> crawl. But that takes brainpower, would have been soooo much easier to
> just cut down the ink :- (
>
> For what it's worth -- I also tested this vellum on the laser printer. It
> actually gave enough density to print with (0.8 or so), but banded
> something fierce, both horizontal (bands) and vertical (thin white lines).
>
> There's also printing on plain paper and taping to plastic sheet a la
> Fredrick. In fact the black inkjet ramp I printed on plain white paper was
> perfect -- no banding, no blobs. But then I have to WAX ! Waxing is much
> easier on inkjet ink than on laser toner, but still not my favorite thing.
>
> The shadow density on the vellum, by the way, is 0.15, no waxing
> necessary.
>
> Have you measured density on your curve, Andre? What process are you
> printing?
>
> Advice/info welcome.
>
> Judy
>
>
>
> > There are two ways of doing this. The first (through the Epson print
> > dialogue) ... I forgot ;-) The second, better way is by adjusting
> > the gradation curve in the "Image" menu. Basically, you want the
> > curve somewhat flat at the top (i.e. in the shadows). In printing
> > terms this will result in depositing less ink for the blackest areas.
> > Just drag the top of the curve down until the blacks print crisply
> > without blocking and smear -- its a matter of experimenting. To find
> > the right curve I used a grayscale image. Please contact me offline
> > for a copy of the grayscale.
> >
> > André
> >
>
>
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