Electrophotography – Image formation – Transfer
Patent
1998-04-09
1999-08-17
Smith, Matthew S.
Electrophotography
Image formation
Transfer
399121, 399308, G03G 1516
Patent
active
059406712
ABSTRACT:
A wet electrophotographic printer includes a plurality of electrostatic latent image forming units for forming an electrostatic latent image on a photosensitive belt on an endless track, a developer for fixing a developing solution on a portion of the belt where the electrostatic latent image is formed, a drier for drying the developing solution to form a toner image, a transfer unit for transferring the toner image to a recording sheet, and a carrier unit having a plurality of carrier rollers rotating the photosensitive belt. The transfer unit includes a transfer roller confronting a carrier roller with the photosensitive belt interposed therebetween, a pressing roller confronting the transfer roller with the recording sheet interposed therebetween, and elevating means for elevating the transfer roller and the pressing roller with respect to the transfer roller within a predetermined timing interval. Therefore, the respective contact widths and pressures between the carrier roller and the transfer roller and between the carrier roller and the pressing roller, can be maintained constantly.
REFERENCES:
patent: 5150161 (1992-09-01), Bujese
patent: 5374982 (1994-12-01), Boockkholdt
patent: 5420676 (1995-05-01), Arcaro
patent: 5534984 (1996-07-01), Inoue
patent: 5774774 (1998-06-01), Tamura et al.
Samsung Electronics Co,. Ltd.
Smith Matthew S.
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