Epson 7890 Light Magenta cart won't reset

InkjetMall Customer Support ConeColor Inks & Printing
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I have an ink low blinking light on my 7890 for the Light Magenta cart. I have tried resetting it several times with different resetters. Nothing works. I have tried turning off the printer, pulling the cart, resetting and restarting the machine, etc…no love…I am afraid it is going to stop on me soon…
What to do?
Paul