Originally Posted by
neil poulsen
I'm not so sure about this, if one is relying on an Epson driver. These drivers require an RGB input, which it then converts to CMYK output. So, one might create a CMYK file in Photoshop. But when it gets sent the the printer (and its Epson driver), it's converted to an RGB file, and then again converted back to CMYK.
Back in the mid to late 2000's, I used a ColorBurst RIP that replaced the Epson driver. With the RIP, I was able to create a true CMYK printer out of my Espon 4000. There was an intervening CMYK to CMYK profile to preserve accurate color that converted from whatever CMYK space I was using in Photoshop to the printer's CMYK color space. But, RGB never entered the picture; it was a straight CMYK to CMYK workflow.
This was relevant for the following reason. Graphic artists would often work in the CMYK color space. Though not a graphic artist myself, I was working on a logo. Using the RIP in the way described above, I was able to realize a purity in color that I could never have achieved, had I been working in RGB.
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