You should consider using the Epson L222 Adjustment Program if you experience the following :
Using the Epson L222 adjustment program is relatively straightforward. Here's a step-by-step guide: epson l222 adjustment program
AdjProg.exe.If you are using the program to fix a blinking red light or "Service Required" error, the process typically follows these steps: Epson L222 Adjustment Program: User & Safety Guide