The invention relates to a print head has an ink jet. / p & & p & in such a head, all the essential elements are rendered integral with a monolithic piece 2 fulfilling the function of the base. / p & & p & in addition, the modulation body 10 co-operates with means for adjusting screw 84 and oblong holes (85) according to two angles a and b, located in two perpendicular planes. / p & & p & finally, the electrodes of the load 71, 72 and the control of the load in the deflection 73, 74 are integral with a block 70. / p & & p & the electrical insulation is ensured by means, in particular, has a groove 89 and a damper plate 90 of the insulation which avoid any formation of an arc. / p & & p & the invention applies to any jet printer.
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