Photocopying – Contact printing – Light boxes
Patent
1994-10-18
1996-05-28
Moses, R. L.
Photocopying
Contact printing
Light boxes
219216, G03G 1520
Patent
active
055216862
ABSTRACT:
An electrophotographic image forming system wherein a visible image is generated by an image forming device in response to a print start command and is fixed on the medium by heat generated by a heater. The temperature of the heater is controlled in a temperature-control-on mode and not controlled in a temperature-control-off mode. A controller is provided for controlling the heating device in the temperature-control-on mode such that the temperature is held at a first level when the apparatus is in a stand-by mode before the print start command is received, and at a second level higher than the first level when the apparatus is in a printing mode with the image forming device being operated. The controller changes the temperature-control-off mode to the temperature-control-on mode to control the temperature to be held at the second level and establish the printing mode without establishing the stand-by mode, when the print start command is received in the temperature-control-off mode.
REFERENCES:
patent: 4671643 (1987-06-01), Shigemura et al.
patent: 4868368 (1989-09-01), Araki
patent: 5241349 (1993-08-01), Nagasaka
patent: 5321478 (1994-06-01), Nakamura et al.
Brother Kogyo Kabushiki Kaisha
Moses R. L.
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