Yahoo Groups archive

QTR-Quadtone RIP

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

Message

Re: Mac OSX10.4.7, Epson R1800, Neutral K7, Niagara IV problem

2006-09-05 by jerkankarlsson

--- In QuadtoneRIP@yahoogroups.com, "akominatus" <akominatus@...> wrote:
>
> Hello.
> 
> About a month ago, I tried out Neutral K7 inks in cartridges on my
R1800 using 
> Hahnemuhle PhotoRag paper, and was very pleased with the results. I
therefore ordered 
> and have just installed a Niagara IV system in order to print up an
exhibition.
> 
> To my horror, I find that for some reason, all my test prints are
coming out inverted, i.e. in 
> negative - whites as blacks, and vice-versa. Details:
> 
> 1. The correct inks are indeed in the correct place.
> 2. I am using the Hahnemuhle curves for PhotoRag paper which came
with Quad Tone RIP, 
> and in general following all the instructions provided by
Piezography to the letter.
> 3. The images are Greyscale 2.2 tiffs produced in Photoshop.
> 4. Some of the very files now printing in negative printed OK a
month ago.
> 5. As a test, I printed the images through QTR, but without
specifying any curves at all in 
> the QTR menu. They came out looking muddy, but at least they were
not inverted.
> 6. So the problem seems to be associated with the same curves that
worked fine on this 
> computer & printer a month ago...
> 
> I don't think I have done anything blatantly stupid, or forgotten
anything obvious. As I am 
> going quietly crazy, any help at all would be greatly appreciated.
> 
> Thanks in advance...
>


Hi,

The same thing just happened to me!? I made som prints with epson
semiglossy paper and then changed the cartridge and printed on
H.photorag, the first print was ok but then they all got inverted!!??
What has happened?? Did you solve the problem?

/Jari

Attachments

Move to quarantaine

This moves the raw source file on disk only. The archive index is not changed automatically, so you still need to run a manual refresh afterward.