Charging or discharging distinct portions of the charge pattern on the recording material, e.g. discharging non-image areas or contrast enhancement (G03G13/34, G03G21/06 take precedence)

Full Title

Electrographic processes using a charge pattern (G03G15/00, G03G16/00, G03G17/00 take precedence) > Exposing, i.e. imagewise exposure by optically projecting the original image on a photoconductive recording material > Charging or discharging distinct portions of the charge pattern on the recording material, e.g. discharging non-image areas or contrast enhancement (G03G13/34, G03G21/06 take precedence)