Method for direct electrostatic printing in which toner particle

Details Method for direct electrostatic printing in which toner particle Method for direct electrostatic printing in which toner particle

1997-09-10

2000-06-06

Barlow, John

Incremental printing of symbolic information

Ink jet

Ejector mechanism

B41J 204

Patent

active

060709669

ABSTRACT:
A method for direct electrostatic printing includes the steps of providing a magnetic brush carrying carrier particles and toner particles, the carrier particles having a specific volume resistivity of between 10.sup.1 .OMEGA..multidot.cm and 10.sup.9 .OMEGA..multidot.cm and a specific density lower than 5 g/cm.sup.3, creating in an electrical field a flow of charged toner particles directly from the magnetic brush to a substrate, image wise modulating the flow of charged toner particles by a printhead structure having printing apertures and control electrodes, image wise depositing toner particles from the image wise modulated flow of charged toner particles on the substrate, and fixing the toner particles to the substrate.

REFERENCES:
patent: 4764445 (1988-08-01), Miskinis et al.
patent: 5346791 (1994-09-01), Ozawa et al.
patent: 5496673 (1996-03-01), Saitoh et al.

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