Laminar flow toning station having conductive and nonconductive

Details Laminar flow toning station having conductive and nonconductive Laminar flow toning station having conductive and nonconductive

1987-11-04

1989-07-25

Goodrow, John L.

Radiation imagery chemistry: process, composition, or product th

Electric or magnetic imagery, e.g., xerography,...

Post imaging process, finishing, or perfecting composition...

118662, 118651, G03G 1510

Patent

active

048513172

ABSTRACT:
Apparatus for developing a latent electrostatic image on the image bearing surface of an imaging member using a liquid toner is characterized by a toning station having a toning member therein. The toning member has a conductive and a nonconductive element thereon. The nonconductive element is disposed upstream of the conductive element in the direction of movement along the path of travel of the image bearing surface through the toning station. The conductive element is connected to a bias voltage so that the image is toned first in the absence of a bias followed by toning in the presence of a bias voltage. Laminar toner flow is maintained in the direction of movement of the image bearing surface during the contact of the surface with the toner.

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