Name and Function of Each Part Ink rack 20 No. Name Description 1 Ink rack Supplies ink from the ink cartridges. The amount of ink remaining is shown on Leonardo. If a car- tridge needs to be replaced, a message is displayed on Leonardo. 2 Ink cartridges They are mounted in the ink rack. From the left side, they are positioned in order A through H. 3 Ink rack front bar Bar to prevent ink cartridges from falling out.