Scanning/Printing with Windows Subsystem for Linux

In Windows Subsystem for Linux, printing via cups and scanning via xsane works fine, but for network-connected printer/scanner ONLY.

For example, WSL works with networked Brother MFC devices. In general Brother Linux printer/scanner support is very good.  

Why print/scan from Linux inside Windows?

Because it’s much easier to setup a printer/scanner from Linux than Windows.  In fact a scanner that didn’t work on Windows did work from Windows Subsystem for Linux on the same PC and Windows 10 install