Short story — "Epson Adjustment Program L4150: Download Verified"

Part 7: List of “Verified” MD5 Checksums (for Reference)

Official Drivers/Firmware:

For standard maintenance, always use the Epson Download Center .

1. Epson official service centers (if you are a technician).
2. Authorized reseller portals (e.g., Epson Partner site – login required).

✅ I have backed up my printer’s EEPROM (if possible). ✅ I have checked the file’s SHA-256 signature against a known safe source. ✅ I have a USB cable ready. ✅ I have understood the physical waste ink risk. ✅ I have temporarily disabled network printing during the reset process.

Result:

The “Service Required” message disappears.

Find the Counter

: From the list, select Waste ink pad counter and click OK . Check and Initialize :