Patent ID: 6227655
Filing Date: 2001-05-08
Classification: B41J,G03G

Abstract:
A device for direct electrostatic printing comprising:means with an external surface carrying charged toner particles for creating a flow of toner particles,means for moving said external surface in a direction A,a printhead structure, having a first and a second major face, with printing apertures and control electrodes, placed in said flow of toner particles for image-wise controlling said flow, said first major face of said printhead structure facing said external surface andat least two spacing means placed between said first major surface and said external surface under an angle between 45.degree. and 0.degree. with respect to said direction A and at a distance, d, from each other so that 1 cm.ltoreq.d.ltoreq.50 cm for keeping said first major face and said external surface at a constant distance, D, from each other.