For the last three years I’ve had to manage a herd of 200-odd Xerox ColorQube 8700S printers. They do everything great. As long as they remain good and hot. And perfectly motionless. Otherwise their melted crayon ink gets all over the insides and blocks up its sensors and the thing pukes all over itself.
And apparently you have to clean those sensors by hand and there’s no reliable software reset.
Solid ink printers. Beautifully elegant concept on paper. But about as foul in practice as caseless ammunition and communism.