:-( Official answer of Epson Tech Support. Translate from Russian by Online translator.
Epson releases drivers for only two Unix-like operating systems:
Epson is not developing drivers for other Unix-like systems, including NetBSD.
The printer can only work on it after porting or refinement by third-party developers.
Unfortunately, we cannot provide an official solution from the manufacturer of this problem.
We recommend that you contact the developers who have adapted the driver.