Color image forming apparatus
US5319428A · kind A · utility
10Cited by
15References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 30, 1992 |
| Grant date | Jun 7, 1994 |
| Priority date | — |
| Expiry date | Oct 30, 2012 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G15/205
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
In a color image forming apparatus provided with a fixing roller and a pressure roller equipped with a heater therein, which is in press contact with the fixing roller. The completion timing of warm-up of the fixing device is determined by the time at which either the detected temperature of the fixing roller or the heating time of the heater reaches a predetermined value.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.