Patent · US Expired

Multi-level energy saving temperature controller for image forming fixing unit

US5681493A · kind A · utility

2Cited by
6References
5Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 4, 1996
Grant dateOct 28, 1997
Priority date
Expiry dateMar 4, 2016

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03G15/2003
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A temperature controlling device for controlling the temperature of a heating member of a fixing unit of an image forming apparatus, the heating member being heated by a heater to perform a fixing operation at a predetermined fixing temperature, the temperature controlling device is provided with a controller which is operable to control the heater to selectively keep the temperature of the heating member at a first energy saving temperature smaller than the fixing temperature and a second energy saving temperature smaller than the first energy saving temperature when the fixing operation is suspended.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.