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Thread View: comp.graphics.apps.corel
3 messages
3 total messages Started by Antun Karlovac Wed, 10 May 2000 00:00
How do I print a halftone pattern?
#59
Author: Antun Karlovac
Date: Wed, 10 May 2000 00:00
20 lines
1580 bytes
I'm using Corel 9 and an Epson 1200 printer. Since this is a simple job, I'm
going to print a good quality proof onto glossy film so that plates can be
made straight from it (without the need for a positive).

The problem is that there is an area of even grey in my design.

Is there a way of forcing the computer to print an even halftone instead of
the error diffusion that it uses to print grey? What I want is to force the
inkjet printer to print out a grey pattern that might have come from a laser
printer. But I want to do this with the printer set at maximum resolution,
so that the text comes out very crisp.

If not, how do I select a pattern of dots small enough so that it looks like
grey?

Corel won't let me reduce the available "dots pattern" enough.

Thanks in advance

Antun
Re: How do I print a halftone pattern?
#58
Author: Michael Stevens
Date: Thu, 11 May 2000 00:00
39 lines
2166 bytes
You can't print a conventional halftone from an inkjet printer. At
least not any inkjet I've ever seen.

I've had the same problem for screen printing since they need real
coarse screens, like 45lpi. What I did was export the graphic as an
EPS or TIFF and open it in PhotoShop as a Grayscale image. I then
converted it to a Black and White, 1 bit TIFF, and chose Halftone
Screen from the choices, choosing 45lpi and round on the next prompt.

It's a pain in the ass but you gotta do what you gotta do.

Mike


On Wed, 10 May 2000 18:07:23 +0100, "Antun Karlovac"
<arson@base-bam.demon.co.uk> wrote:

>I'm using Corel 9 and an Epson 1200 printer. Since this is a simple job, I'm
>going to print a good quality proof onto glossy film so that plates can be
>made straight from it (without the need for a positive).
>
>The problem is that there is an area of even grey in my design.
>
>Is there a way of forcing the computer to print an even halftone instead of
>the error diffusion that it uses to print grey? What I want is to force the
>inkjet printer to print out a grey pattern that might have come from a laser
>printer. But I want to do this with the printer set at maximum resolution,
>so that the text comes out very crisp.
>
>If not, how do I select a pattern of dots small enough so that it looks like
>grey?
>
>Corel won't let me reduce the available "dots pattern" enough.
>
>Thanks in advance
>
>Antun
>
>
Re: How do I print a halftone pattern?
#57
Author: Terry Gorman
Date: Fri, 12 May 2000 00:00
37 lines
1869 bytes
I use Photoscript II to make halftones on my Epson 3000,
I don't Know if it works with the 1200.
There web address is www.cadlink.com





Antun Karlovac <arson@base-bam.demon.co.uk> wrote in message
news:957981447.12374.0.nnrp-09.9e98e5c8@news.demon.co.uk...
> I'm using Corel 9 and an Epson 1200 printer. Since this is a simple job,
I'm
> going to print a good quality proof onto glossy film so that plates can be
> made straight from it (without the need for a positive).
>
> The problem is that there is an area of even grey in my design.
>
> Is there a way of forcing the computer to print an even halftone instead
of
> the error diffusion that it uses to print grey? What I want is to force
the
> inkjet printer to print out a grey pattern that might have come from a
laser
> printer. But I want to do this with the printer set at maximum resolution,
> so that the text comes out very crisp.
>
> If not, how do I select a pattern of dots small enough so that it looks
like
> grey?
>
> Corel won't let me reduce the available "dots pattern" enough.
>
> Thanks in advance
>
> Antun
>
>
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