Image forming method, image forming apparatus, and toner image fixing apparatus

A toner image and toner technology, applied in the field of toner image fixing devices, can solve the problems of reduced color reproducibility, lack of fixability, etc., and achieve the effect of good color reproducibility

Inactive Publication Date: 2019-01-18
KONICA MINOLTA INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] However, in the case of fixing by only irradiating light in the short-wavelength region, there is a problem that color reproducibility decreases and sufficient fixability cannot be obtained.

Method used

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  • Image forming method, image forming apparatus, and toner image fixing apparatus
  • Image forming method, image forming apparatus, and toner image fixing apparatus
  • Image forming method, image forming apparatus, and toner image fixing apparatus

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 10～12

[0235] In order to fix the obtained solid patch image and each solid patch fixed image obtained by fixing the toner surface temperature ( 241 b ) to 125° C. by heating and pressing without irradiating light to each toner structure For comparison, the color of the solid portion in each image was measured with a fluorescence spectrodensitometer “FD-7” (manufactured by Konica Minolta Co., Ltd.), and the color difference was calculated using the CMC (2:1) color difference formula. Evaluation was performed according to the following criteria, and there was no practical problem if it was ◯ or more.

[0236] (evaluation criteria)

[0237] : color difference is less than 2

[0238] ○: Color difference is 2 or more and less than 3.5

[0239] ×: Color difference is 3.5 or more

[0240]

[0241] On plain paper (basis weight: 64g / m 2 ), the toner adhesion amount is 4g / m 2 conditions to develop the electrostatic latent image. This is performed using a printed matter in which a so...

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PUM

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Abstract

The invention relates to an image forming method, an image forming apparatus, and a toner image fixing apparatus. An object of the present invention is achieved by an image forming method containing the steps of: forming a toner image by developing an electrostatic latent image with a toner; transferring the toner image on a recording medium; and fixing the toner image on the recording medium, wherein the fixing step of the toner image on the recording medium further contains the steps of: irradiating light having a wavelength range of 280 to 480 nm to the toner image; and applying pressure tothe toner image.

Description

technical field [0001] The present invention relates to an image forming method, an image forming apparatus, and a toner image fixing apparatus. More specifically, the present invention relates to an image forming method and the like in which a toner image fixed on a recording medium has good color reproducibility and sufficient fixability in an optical fixing system. Background technique [0002] Conventionally, in the electrophotographic process, for the purpose of shortening operability (Warming-Up Time: WUT), energy saving, and expansion of types of recording media, a fixing system using light (hereinafter, also referred to as "light fixing system") has been proposed. ). [0003] As currently reported photofixing systems, a number of systems that fuse and fix toner to a recording medium by converting light into heat have been proposed. Most of them are systems that perform fusion fixing using light in a long-wavelength region in the infrared range. On the other hand, ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G03G15/20
CPCG03G15/2007G03G15/2021G03G15/2053G03G9/08711G03G9/08795G03G9/08797G03G9/0904G03G9/0926G03G15/2064G03G15/2039G03G15/16G03G15/04G03G9/087
Inventor 高桥圣二郎堀口治男芝田丰子
Owner KONICA MINOLTA INC
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