Transfer apparatus for transferring an image of a developer...

Details Transfer apparatus for transferring an image of a developer... Transfer apparatus for transferring an image of a developer...

2007-04-05

2010-10-05

Gray, David M (Department: 2852)

Electrophotography

Image formation

Transfer

C399S302000, C399S336000, C219S216000

Reexamination Certificate

active

07809316

ABSTRACT:
A transfer apparatus for transferring an image of a developer from an image-bearing medium onto an image receiving medium in a transfer zone includes a heating device that heats the image-bearing medium, an adjustable power supply device that supplies electrical power to the heating device, a first temperature sensor for sensing a basis temperature in the vicinity of the image-bearing medium away from the transfer zone and for transmitting to a controller a signal indicative of the basis temperature. The controller is adapted to adjust the power supplied by the power supply device to the heating device to obtain a target temperature in the transfer zone, in response to the signal indicative of the sensed basis temperature and based on a pre-established relationship between the power supplied to the heating device and a temperature difference between a temperature in the transfer zone and the basis temperature.

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