Able to print, but can not scan from my printer
This is because the Epson Artisan 725 is considered an MFP or Multi-Function Printer.  This means it's actually two separate devices that just share the same footprint.  So, it is entirely conceivable that the printer drivers are readily available from Apple while the scanner driver isn't.

Heading over to their Support Page, it appears that they have both printer AND scanner drivers for macOS (Sierra) so you would need to install that driver for your scanner to work.