Kodak 4800 Series Quick Start Manual page 25

Quick Start Guide
2 Insert the needle assembly connector into the fitting on the carriage.
On the left bank of cartridges, there are two connectors for each
cartridge - one is blue and the other is gray. Be sure that the needle
assembly is plugged into the same color connector as the ink
reservoir.
3 Open the ink delivery lines by pushing the valve down.
4 Insert the needle into the small hole on the ink primer.
5 Press the button on the ink primer to activate the vacuum and draw
ink from the reservoir into the needle.
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