Multi-level energy saving temperature controller for image forming fixing unit
US5681493A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Mar 4, 1996 |
| Grant date | Oct 28, 1997 |
| Priority date | — |
| Expiry date | Mar 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.