[daggersandscars]

Are you using Brother's Linux printer driver for your device? If not, I'd start there.

https://support.brother.com/g/b/midlink_productcategory.aspx...

[hawski]

It never offered the option in my case.

[epcoa]

If it’s a Brother, the features are in the suffix of the model name: D for duplexer, C for color, N for network (wired), W for wireless networking.