Image forming apparatus and image fixing method
US11150582B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Aug 26, 2020 |
| Grant date | Oct 19, 2021 |
| Priority date | — |
| Expiry date | Aug 26, 2040 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G2215/00734
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An image forming apparatus according to one or more embodiments includes a fixing device and a controller. The fixing device includes a first heating source and a second heating source. The second heating source has a heating width greater than that of the first heating source. The first and second heating sources have different heating characteristics in response to temperature increases. The controller selects one of the first heating source and the second heating source according to a size of a sheet on which printing is to be performed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.