Patent · US Active

Image forming apparatus and image fixing method

US11150582B2 · kind B2 · utility

1Cited by
1References
17Claims
0Family size

Assignee

Inventor

Key dates

Filing dateAug 26, 2020
Grant dateOct 19, 2021
Priority date
Expiry dateAug 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.