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Developer and image former with the developer

A toner and image technology, which is applied in the field of image forming apparatuses, can solve the problems of lack of conveyance, poor fluidity, and easy aggregation of toners.

Inactive Publication Date: 2006-01-04
SEIKO EPSON CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The existence of the free polymerization auxiliary agent makes the toner easy to aggregate, the fluidity deteriorates, and sometimes the specified delivery amount cannot be obtained

Method used

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  • Developer and image former with the developer
  • Developer and image former with the developer
  • Developer and image former with the developer

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0063] Embodiments of the present invention will be described below using the drawings.

[0064] An image forming apparatus as one of the embodiments of the present invention has figure 1 and figure 2 (a) shows the same structure. Therefore, the operation of the image forming apparatus of this example at the time of image formation is the same as that of the above-mentioned conventional example.

[0065] Such as figure 2 As shown in (b), the non-magnetic single-component toner T used in the image forming apparatus 1 of this example has a plurality of CCA 19 added to the mother particle 18 . In the non-magnetic single-component toner T of this example, the slope a of the approximate line obtained by approximating the distribution of the particle diameter of the CCA 19 attached to the mother particle 18 with respect to the particle diameter of the mother particle 18 by the least square method, and the volume of the mother particle 18 When the average particle diameter is d...

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PUM

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Abstract

A non-magnetic mono-component toner of the present invention comprises, at least, a plurality of mother particles and a plurality of CCA particles adhering to the mother particles. The non-magnetic mono-component toner satisfies a x d < 2.5, wherein 'a' is the inclination of an approximation straight line of the CCA particles adhering to the mother particles, obtained by approximating distribution of particle diameter of the CCA particles relative to the particle diameter of the mother particles by the least-square method, and 'd' ( mu m) is the volume-based mean particle diameter of the toner. Therefore, the charge on one particle of the non-magnetic mono-component toner can be efficiently reduced, thereby allowing lower developing voltage and achieving reduction in developing hysteresis.

Description

technical field [0001] The present invention relates to a toner for developing an electrostatic latent image on a latent image carrier, and to an image forming apparatus using the toner to form an image. [0002] In particular, the present invention relates to a non-magnetic one-component toner used for development by a non-magnetic one-component development method using a conductive developing roller, and an image forming apparatus using the non-magnetic one-component toner. [0003] The present invention relates to a toner in which additive materials are added to mother particles and an image forming apparatus using the toner. Background technique [0004] As an example of such a conventional image forming apparatus, such as figure 1 As shown, there is a full-color intermediate transcription type image forming device. In this image forming apparatus 1, an image is exposed as an electrostatic latent image on a photoreceptor 2 as a latent image carrier, and the electrostat...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G03G9/097G03G15/00
CPCG03G9/097
Inventor 外山洋
Owner SEIKO EPSON CORP