An ink bar is provided with a control device for bringing back printing ink into the ink duct (20) of a printing machine when required. The aim of the invention is to arrange all the essential function pieces in a space-saving manner, whereby said pieces are used for adjusting the ink level. The ink bar (1) is made from a hollow rod prifile having an undercut groove (4) on the lateral outer wall. Said groove serves for receiving cables (5). Discharge valves (8) and the supply device of an ink valve are arranged in the inner chamber of the rod profile. The ink valve is coupled to a sensor (9) and said valves are connected by means of the cable (5).
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