Electrostatic image transfer device using intermediate...

Details Electrostatic image transfer device using intermediate... Electrostatic image transfer device using intermediate...

2007-05-22

2007-05-22

Benson, Walter (Department: 2858)

Electrophotography

Control of electrophotography process

Control of transfer

C399S314000

Reexamination Certificate

active

11021293

ABSTRACT:
A transfer device has a control circuit. The control circuit initiates supplying transfer power to one or more first transfer rollers and to a second transfer roller when a first transfer operation is initiated by a first transfer roller positioned most upstream with respect to a direction in which an intermediate transfer belt travels. The control circuit stops supplying the transfer power to the one or more first transfer rollers and to the second transfer roller when a second transfer operation is completed by the second transfer roller. The transfer power supplied to the one or more first transfer rollers and to the second transfer roller, respectively, is free from fluctuation during a period from the initiation of the first transfer operation performed first to the completion of the second transfer operation.

REFERENCES:
patent: 6324359 (2001-11-01), Nakane
patent: 6510295 (2003-01-01), Noguchi et al.
patent: 6904255 (2005-06-01), Kera et al.
patent: 10-039651 (1998-02-01), None
patent: 10-142893 (1998-05-01), None
patent: 2000-242096 (2000-09-01), None

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