Electrophotography – Image formation – Transfer
Patent
1997-08-27
1999-04-06
Grimley, Arthur T.
Electrophotography
Image formation
Transfer
399317, G03G 1501
Patent
active
058930175
ABSTRACT:
An image forming apparatus includes a transport belt for transporting a medium, image forming units for transferring a toner image onto the medium transported by the transport belt, and contacting/separating mechanisms for moving at least one of the transport belt and the image forming units to a contact position where the transport belt and the image forming units contact each other and to a separated position where the transport belt and the image forming units are separated from each other, where the contacting/separating mechanisms move at least one of the transport belt and the image forming units to the contact position and/or the separated position in a state where a transport speed of the transport belt and a transfer speed of the image forming units are approximately the same.
REFERENCES:
patent: 4887101 (1989-12-01), Hirose et al.
patent: 5303018 (1994-04-01), Terada et al.
patent: 5365324 (1994-11-01), Gu et al.
patent: 5376999 (1994-12-01), Hwang
patent: 5386286 (1995-01-01), Kinouchi et al.
patent: 5765082 (1998-06-01), Numazu et al.
Chen Sophia S.
Fujitsu Limited
Grimley Arthur T.
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