DS-RX1HS color shift when print via Gutenprint/CUPS vs Windows

Hello Support,

I am a relatively new owner of a DNP DS-RX1HS printer. I've been using it
for about six months with all printing via Windows 10. Now, I am trying to
add some automation to my workflow, and I set up a print server on a
raspberry pi using CUPS/Gutenprint. Unfortunately, the color of the 4x6
prints differs between Windows 10 and CUPS via raspberry pi. I'm using
default configurations of each.

At first, it seemed that the prints from CUPS/Gutenprint were faded. The
colors didn't have the same pop as when printed on Windows. However, I
think there is a bit of a red shift distorting the color. Everything I
print via CUPS has the same issue. I don't see a specific CUPS driver on
the DNP support page nor any further documentation on the settings
available to me in the CUPS settings for the printer. I tried a few
different settings (default type = photograph, best color, RGB vs CMYK
mode) without much success. It doesn't seem to matter whether it is an
image from Illustrator, a photobooth collage from Wifibooth, or a snapshot
from an iPhone, all of the prints suffer from a color problem when printed
to the RX1HS over CUPS/AirPrint on raspberry pi connected via USB. The same
files print great when using the regular Windows 10 driver and direct USB
connection. Unfortunately, I need Airprint to work for my photobooth
(currently Wifibooth).

For better or worse, I have a photobooth event soon and it seems I have to
choose between a) no automation with Windows and better color, or b)
automated printing via CUPS/Gutenprint with poor color.

Please send recommendations for further troubleshooting and/or resolution.

Best regards,

David

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