Which you are using (Windows 10, 11, etc.)? What specific error code (if any) you see on your screen?
The L-series printers (L380–L485) are part of Epson's EcoTank line, which emphasizes sustainability through refillable tanks. However, the software-enforced lockout remains a point of contention. EPSON Adjustment Program Reset L380-L383-L385-L485