They sound cool but apparently have a sponge that holds the ink between the tank and the jet and eventually that becomes saturated and it's basically game over

They sound cool but apparently have a sponge that holds the ink between the tank and the jet and eventually that becomes saturated and it's basically game over for the printer because it doesn't sound like the sponge is user serviceable https://news.ycombinator.com/item?id=25047231 https://news.ycombinator.com/item?id=25047231