CONDITIONING APPARATUS FOR NON-IMPACT, DIRECT CHARGE ELECTROGRAPHIC PRINTER BELT

摘要

ABSTRACTA belt conditioner for non-impact electrographicprinting apparatus using a flexible dielectric belt (10)(including a conductive member forming a ground plane (51)opposite the dielectric surface (52)) has pluralelectrically conductive rollers (40, 41) engaging thedielectric charge receiving surface (52) to effectcontrolled discharge of the surface to a uniform surfaceelectrostatic voltage before direct charge deposition by aprint head (14) to form a latent electrostatic image.Corona discharge devices (35, 36, 37) can also be utilizedWith the rollers (40, 41) to obtain the desired beltconditioning.