Image forming device having a conductive member with...

Details Image forming device having a conductive member with... Image forming device having a conductive member with...

2005-11-30

2008-11-25

Gray, David M. (Department: 2852)

Electrophotography

Image formation

Transfer

Reexamination Certificate

active

07457573

ABSTRACT:
A plurality of separation needles are arranged downstream from a transfer roller in the sheet transport direction along a direction which is orthogonal to the sheet transport direction, and when a separation voltage is applied to the separation needles, an electrical discharge occurs between the photosensitive drum and the separation needles, and a sheet which has been charged by the transfer roller has static charge eliminated and is separated from the photosensitive drum. Furthermore, a transport unit established downstream from the separation needles in the sheet transport direction has a plurality of transport plates which guide the transport of the sheet, and a grounding plate which is located between these transport plates, and the grounding plate is connected to the grounding unit of the device body such that the grounding plate can be seen without interference from the tip end of the separation needles.

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patent: 2003/0124446 (2003-07-01), Nakanishi et al.
patent: 2004/0170453 (2004-09-01), Ito et al.
patent: 2005/0201789 (2005-09-01), Yuminamochi
patent: 7/40158 (1995-05-01), None
patent: 8/137358 (1996-05-01), None
patent: 9/218623 (1997-08-01), None

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