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QTR-Quadtone RIP

Index last updated: 2026-04-28 23:12 UTC

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Re: [QuadtoneRIP] New to QTR and some questions

2009-03-27 by Roy Harrington

Hi Tony,

The 3MK setup was done by Paul Roark if you need more detail.  The reason for
3 blacks is to cut down on banding.  With just one black the printer
is more prone
to that problem -- with 3 you get a little more randomness which helps fix it.

The regular Epson inks have 2 blacks and a clear gloss in those slots so you are
probably getting about 2/3 of what you'll get with MIS ink.  (it's
also more neutral color).

You shouldn't be getting a imagetoraster error.  But if you get the
whole print it must
be in exiting that program.  If you continue to get this let me know.

Roy

On Thu, Mar 26, 2009 at 3:49 PM, arhodes19044 <spamiam@...> wrote:
> Hello,  I am new to quad tone printing.  I have done a fair amount of color printing.  I have an Epson R1800 and I will be using the MIS "black only" inks.  I have ordered them, and I am waiting for them to arrive.
>
> I wanted to try out QTR and see how to make it work.
>
> I have 2 questions.  When I set it up for the R1800 printer, and the R1800-3MK, and the 3MK Premier Art Smooth paper (actually I just have the regular inks in the machine, and just a plain piece of paper), I get an error saying: "Image ToRaster encountered a problem".  I tried using "Debug" enabled, and I got no info in the debug windows.  What am I doing wrong?
>
> The picture is getting printed and it looks OK considering that only 1 of the 3 locations has the black ink.
>
> Another question:  If I am printing with 3 identical inks (they are identical, right?) then why do I need 3 of them, and not just 1?  If 3 are better than 1, why not 4?
>
> -Tony
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