Epson Wfc5790 Adjustment Program Link -
While Epson does not officially provide this program to end-users (recommending authorized service centers instead), it is available through third-party utility providers:
Right-click the AdjProg.exe file and select If you do not do this, the program will crash with a “USB port not found” error. epson wfc5790 adjustment program link
Q: Is the adjustment program safe to use? A: Use the adjustment program at your own risk, as it may void your printer's warranty. While Epson does not officially provide this program