Aside from the commodity hell, I’ve had no issues with my consumer hardware, other than that it doesn’t seem to be built as well as it used to. I’ve got an HP all in 1 and recently threw away an Epson all in 1 (couldn’t stop it from streaking no matter how much I tried to clean the heads). But the UI of both was straight forward and easy to use with a little touch screen.
On the low end, regular printers don’t need much of a UI since everything gets handled through software.