Patent ID: 6324361
Filing Date: 2001-11-27
Classification: G03G

Abstract:
A cooling control unit of an electrophotographic apparatus comprising:a fixing unit, of which the temperature is controlled to a prescribed printing temperature by a heater during printing to fix toner to a sheet of paper, and controlled to a prescribed standby temperature during stoppage;a cooling fan rotation-controlled to prevent increase in the machine internal temperature;a ratio detecting unit which detects during stoppage of printing, a fixing control ratio representing a ratio of time during which said fixing unit is controlled to the printing temperature for a certain period of time in the past;a predicting unit which predicts a fan driving time after stoppage of printing in response to said fixing control ratio; anda cooling fan control unit which rotation-controls a cooling fan during printing, and upon stoppage of printing, keeps a fan control status of printing during said predicted period of time.