Image forming apparatus with a transfer station erase

Details Image forming apparatus with a transfer station erase Image forming apparatus with a transfer station erase

1994-12-14

1997-08-05

Royer, William J.

Electrophotography

Supplemental electrophotographic process

399297, G03G 2100

Patent

active

056551835

ABSTRACT:
Transfer of a toner image from an image member to either an intermediate member or a receiving sheet is improved by irradiating a photoconductive layer in the image member during transfer. Erasing radiation is allowed to fall on both the in-nip region and a pre-nip region but is baffled from a post-nip region. The erasing radiation increases the time constant of the system thereby slowing the build-up of the field in the pre-nip region inhibiting pre-nip ionization. The lack of erasing radiation in the post-nip region decreases the time constant thereby speeding the reduction in the field and also reducing ionization in that region.

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patent: 5361125 (1994-11-01), Fletcher

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