You can check the OSS licenses included with this product from the following URL.
DS-530X
https://support.epson.net/sec_pubs/redirect2.php?model=ds-530x&type=othg&lang=en&filename=oss.pdf
DS-530III
https://support.epson.net/sec_pubs/redirect2.php?model=ds-530iii&type=othg&lang=en&filename=oss.pdf