The syntax above works for all modern Epson scanners (WorkForce Pro, DS Series, ES Series, and large format SureColor scanners) running Epson Scan 2. If you are still using the legacy "Epson Scan" (v1), note that its silent install uses setup.exe /S /v/qn , but upgrading to Epson Scan 2 is highly recommended for Windows 10/11 environments.
Most Epson Scan 2 installers use the or Inno Setup engines. The most common switch to trigger a silent installation for Epson is /S (case-sensitive) or /silent . The Basic Command epson scan 2 silent install