Remember the mantra: Reset the counter, inspect the pad, align the head.

If your L15150 is still under Epson’s warranty (typically 1-2 years depending on region), running a third-party service tool will immediately void any coverage.

: Run the AdjProg.exe file, select your specific model (L15150), and enter Particular Adjustment Mode .

If you prefer an official route, you can find standard maintenance tasks like print quality adjustments and firmware updates on the Epson Download Center or through the Epson Support Page Need more specific help? If you’d like to narrow down the issue, let me know: exact error code appearing on your LCD screen. Whether you have already physically replaced the maintenance box. operating system (Windows or Mac).