Image forming apparatus and method of controlling charging the apparatus to reduce warm up time
US7546052B2 · kind B2 · utility
0Cited by
2References
15Claims
0Family size
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Key dates
| Filing date | Mar 20, 2007 |
| Grant date | Jun 9, 2009 |
| Priority date | — |
| Expiry date | Aug 9, 2027 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G15/2064
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
When a main switch 11 is off, an electricity storage device 93 is charged with electric power of a commercial AC power supply 80 . When the main switch 11 is on and warming-up of a fixing unit 35 is necessary, a halogen heater 51 in a heating roller 41 is actuated by the electric power of the commercial AC power supply 80 and a halogen heater 52 in the heating roller 41 is actuated by discharge electric power of the electricity storage device 93.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.