Epson R3000 vs Pro 3880 - IQ and opinions (long)

You might be able to improve the EPSON profiles a tiny bit. Remember that they were creat on the same model as your except NOT YOURS. Your printer is an individual that might be differ within certain tolerances ( Whatever those may be ) among other printers of that same model line.

But once your monitor is set to teh correct parameters, that is the most important step.

Congratulations and now the real fun will begin.