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image forming device

A technology of image and heating components, which is applied to the electrical recording process using charge graphics, equipment and instruments for electrical recording technology using charge graphics, and can solve the problems of inability to quickly and fully perform color development and decolorization reactions

Active Publication Date: 2020-03-03
TOSHIBA TEC KK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] Examples of decolorizable toners include toners produced by pulverization methods, but since various components such as color-forming compounds and color developers are treated in a solid phase, color development and decolorization may not be performed quickly and sufficiently. reaction

Method used

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Examples

Experimental program
Comparison scheme
Effect test

experiment example 1

[0108] In Experimental Example 1, using the image 3 The fixing device is shown in the image forming device. Descriptions of the configurations of the transfer unit 302 and the fixing device 26 and the image forming process are omitted because they are redundant.

[0109] In addition, in Experimental Example 1, the value of the clamping portion width was 4.5 mm (in addition, the length of both end portions was 5 mm).

[0110] In addition, as the toner, a toner manufactured as follows was used.

[0111] Preparation of micronized solution containing binder resin: As the binder resin, a Pes (Polyester, polyester) resin having a glass transition temperature Tg of 50° C. and a softening point of 100° C. was used. 30 parts by mass of the Pes-based resin, 3 parts by mass of an anionic emulsifier (Neo Pelex G15 manufactured by Kao), and 0.6 parts by mass of a neutralizer (dimethylaminoethanol) were used to prepare particles containing a binder resin using a high-pressure homogenizer...

experiment example 2

[0122] In Experimental Example 2, an image forming apparatus having a fixing device 26 having a configuration different from that of Experimental Example 1 was used. In addition, the description of the configuration and processing common to Experimental Example 1 is omitted.

[0123] like Figure 8 As shown, the fixing device 26 according to Experimental Example 2 is configured such that an endless fixing belt 106 serving as a rotating body belt is hung and rotated on a heat roller 105 and a sponge roller 102 with built-in lamps 103 and 104, and has a pressure contact with the The pressure roller 110 at the portion wound around the sponge roller 102 . Accordingly, the nip portion N is formed by the fixing belt 106 and the pressure roller 110 . In the case of the fixing device according to Experimental Example 2, the width of the nip in the nip N was 8.75 mm (in addition, it was 9.2 mm at both ends).

[0124] The recording paper on which the toner image is formed is inserted...

experiment example 3

[0127] In Experimental Example 3, an image forming apparatus having a fixing device 26 having a different configuration from Experimental Examples 1 and 2 was used. In addition, the description of the configuration and processing common to Experimental Examples 1 and 2 is omitted.

[0128] like Figure 10As shown, the fixing device 26 according to Experimental Example 3 is configured such that an endless fixing belt 205 serving as a rotating body belt is hung and rotated on satellite rollers 203 and minicell rollers 202, and has a pressure contact between the fixed belt and the fixed belt. The pressure roller 204 at the position on the small roller shell 202 . Accordingly, the nip portion N is formed by the fixing belt 205 and the pressure roller 204 . The fixing belt 205 is controlled to be electromagnetically induced heated by the IH coil 201 to a predetermined temperature. Pressure roller 204 is also controlled by built-in pressure roller light 206 (corresponding to Fi...

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PUM

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Abstract

An image forming apparatus including: a heating member for heating a toner image formed on a recording medium using an erasable toner including a binder resin and containing a color-forming compound and a developing A toner and a colorant having a capsule structure covered by a shell; a pressurizing member that is crimped to the heating member to form a clamping portion, and interacts with the heating member to clamp and convey a recording medium; temperature control a section for controlling the temperature of the heating member; and a transport control section for controlling the transport speed of the recording medium in the nip section, the image forming apparatus controlling the temperature control section and the transport control section so that In the toner image of the recording medium of the portion, the toner of the upper layer on the side of the heating member is below the decolorization start temperature, and the toner of the lower layer on the side of the recording medium is in a state of being uniformly melted.

Description

[0001] This application is a divisional application of a patent application with an application date of April 26, 2011, an application number of 201110105994.X, and an invention title of "image forming device", the entire content of which is hereby incorporated by reference. [0002] Cross References to Related Applications [0003] This application is based on and claims the benefit of priority from US Provisional Patent Application No. 61 / 328,382, filed April 27, 2010, the entire contents of which are hereby incorporated by reference. technical field [0004] Embodiments described in this specification relate to a technique related to an image forming apparatus that performs image formation using erasable toner. Background technique [0005] In the information environment of the office, with the popularization of computers, software, and networks, rapid and shared information processing becomes possible. Electronic information has advantages in information preservation, a...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G03G15/20G03G9/093
CPCG03G9/093G03G15/2028G03G15/2039G03G15/16G05D13/62G05D23/19G03G9/09392G03G15/2064G03G2215/2074
Inventor 今宫弘二
Owner TOSHIBA TEC KK