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QTR-Quadtone RIP

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

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Re: QTR and Epson 4800 issue

2017-10-04 by sanking@...

It's my friends Epson 4800 that does not seem to communicate with the color channels using QTR. I use a straight line profile similar to yours, PK, Y and LK with all other colors in small amounts to prevent nozzle clog, but the neg always comes out bw (we have tried with two different computers, reinstalled QTR, dumped and reinstalled the Quad Printer, restarted the computer after every modification). As I mentioned before, all colors are integrated into the profile, but only the 3 blacks seem to create the image. All nozzles are firing on the printer, so it is not a physical issue. The same profile prints perfect with my P800.


Sidney,

OK, there should not be any difference in printing that profile with MAC with Print Tool and Windows. Many people I know are using the single gray value straight line profile with Windows with no issues so I suspect some kind of color management issue where the image file is being converted to gray scale and only the black inks are printing, as they might in some versions of monochrome printing with the color driver.

Sandy



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