The delicate heads of digital printers, using micro holes in which nozzles pass liters of ink that remain sedimented particles. Automatic washing of the same machines does not always clean the nozzles thoroughly and sometimes leave small residuals of ink which, over time, increase their size until the entire passage is obstructed. The residence time of the residues in the nozzles progressively reduces the possibility of unblocking the nozzles with the consequent need to replace the head. The 280.51 SOLVENT CLEANING HEADS has been studied for a constant use during the working of the heads, at least on a weekly basis. This use prevents the settling of the ink particles making them fluid and facilitates the expulsion outside the filling.

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