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QTR-Quadtone RIP

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

Message

Re: printing at 2880dpi

2005-08-27 by Jamie

--- In QuadtoneRIP@yahoogroups.com, "Roy Harrington" <roy@h...> 
wrote:
> --- In QuadtoneRIP@yahoogroups.com, "Jamie" <icucjamie@h...> wrote:
> > Hi everybody,
> > 
> > while trying to print at 2880dpi I've know realised that all my 
images 
> > are consistently stretched vertically by about a factor of 2, 
even
> > the initial ink pattern page in calibration mode and the 21step 
test 
> > prints. Is this a known issue or may I have done something 
wrong? I 
> > choose 2880 because the initial ink pattern page looked very 
smooth 
> > when compared to the 1440dpi printout (even if it was stretched)
> > 
> > regards, Jamie
> 
> Jamie,
> 
> You don't mention which printer or what QTR version but I'll guess 
that you
> are using a 1280 at 2880x720 and the code is thinking 2880x1440.  
Anyway the
> lastest version 2.3 fixed some high dpi problems and I think this 
is one of them.
> Since I don't have a 1280 I wasn't able to test it.  See and 
download:
> 
> http://homepage.mac.com/royharrington/FileSharing3.html
> 
> Let me know if this solves the problem.  Also you should note that 
the profiles
> are tuned for 1440 so they may require some Ink Limit Adjustment 
when printing.
> 
> Roy

thanks Roy for the quick reply and advice, and of course your 
excellent piece of software. I'm using a 1290 with version 2.2, but 
following the update to version 2.3 my problem is solved. I'm having 
a try at producing some curves for my own printer/inksetup (Permajet 
MonoChrome Pro inkset) at 2880dpi, using an X-rite Pulse spectro, 
and some existing curves as templates. So far so good, my first ink 
pattern page resulted in a basic ink limit of 60%. Do you know if 
Permajet MonoChrome Pro inkset is similar to UT2 inkset; I hope so 
because that would mean I could use the existing curves which are 
available?

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