How ICC profile impact your DTF Epson L1800 print output by using PartnerRIP Pro?

Let me share my JOURNEY STORY about How ICC profile impacts your DTF Printer Epson L1800 image output by using PartnerRIP Pro In December 2020, I install the PartnerRIP Pro software and set up my Epson L1800 for DTF Printing purposes. During the first few pieces of the printout, I already notice that my colour output is incorrect. I spend plenty of time adjusting the colour in graphic software like photoshop and trying different settings on RIP software. Then do the test printing and repeat the above steps until I achieve the colour I wanted. I am wasting a lot of TIME and MONEY on this repeated process. Then I start searching for the causes online and refer back to the supplier. When I ask the Printer Supplier, they tell me that the colour issue may be because I am using 3rd party ink. Then when I refer back to the Ink Supplier, they claimed that never face such a problem and that might be my setting was wrong, and refer back to RIP software supplier. DOES now I look like a BALL. Some users who I interviewed, told me that they can have nice colour output. But in fact, they don¬ice the colour output is incorrect because never do the comparison or saw the accurate colour output result. I believe you can feel my PAIN. Then I recall back the method of how I solved my colour issue on Sublimation Ink and Pigment Ink. I always assume the colour profile found inside PartnerRIP Pro software, is for DTF Purpose. Actually, I AM 100% WRONG. Photoshop4DefaultCMYK and...