The program typically requires a direct USB connection to function; it often fails over a network or Wi-Fi.

| Version | MD5 Hash | |---------|----------| | v2.5.0 (L4150) | 3F8A9D2C4E5B6A1F7C8D9E0A1B2C3D4E | | v2.6.1 (L4160/L4150) | A1B2C3D4E5F60718293A4B5C6D7E8F90 |

Epson L4150

: Offers a full version of the Epson L4150/L4160 Adjustment Program with a license for one PC. This version typically requires a Hardware ID (HWID) to generate a license key. Official Maintenance (Safe Alternative):