Coffee test print.
Close up of the coffee print.
Blue ink test print.
Testing out the printer with very cheep red wine.
The prints look very good when the liquid has a low wetting angle on the paper. By changing the chemistry of the ink and thus changing the interaction of the drip on the paper a number of different characteristics can be observed.
In action - the current speed of the printer is 4000 drips per hour - or about one drip a second.