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Image forming apparatus

An image and pattern technology, applied in the electrical recording process using charge graphics, equipment for electrical recording technology using charge graphics, electrical recording, etc., can solve the problem of being unable to be reused

Active Publication Date: 2008-01-02
KK TOSHIBA +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

If image formation with a permanent color toner is performed on such decolorized and recycled paper, the paper cannot be reused because it has undergone image formation with a decolorized toner.

Method used

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Embodiment Construction

[0025] Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

[0026] As shown in FIG. 1 , an image forming apparatus according to an embodiment of the present invention is suitable for use in an electrophotographic digital copier or an intermediate transfer MFP (MultiFunctional Peripheral, multifunctional printer).

[0027] The image forming apparatus 1 accommodates an image forming section 10 in a printing section of a main body casing 11 . The image forming unit 10 includes a rotatably supported photosensitive drum (image carrier) 12 and an intermediate transfer device 14 including an intermediate transfer belt 13 .

[0028] A cleaning device 15 , a charging device 16 , a laser optical device 17 , a developing device 18 , and a primary transfer device 19 are sequentially disposed on the outer periphery of the photosensitive drum 12 . The drum cleaning device 15 is used to remove toner remaining on the dru...

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Abstract

An image forming apparatus to form an image on a sheet by permanent color toner and decolorizing toner to be decolorized includes a detector unit to detect whether a predetermined identification image to indicate execution of a image forming process by decolorizing toner is formed or not at least on either of a first side and a second side of a sheet which is a subject of the image forming process to be executed and a process controlling unit, when the predetermined identification image is detected by the detector unit, to prohibit the image forming process by permanent color toner on a sheet side on which the predetermined identification image is detected.

Description

[0001] Cross References to Related Applications [0002] The present invention contains subject matter related to Japanese Patent Application No. 2006-182129 filed with the Japan Patent Office on June 30, 2006 and Japanese Patent Application No. 2006-182130 filed with the Japan Patent Office on June 30, 2006, the entire contents thereof incorporated herein by reference. technical field [0003] The present invention relates to an image forming apparatus capable of forming an image on a paper based on a permanent color toner and an erasable toner, and a pattern forming process control method. Background technique [0004] Japanese Patent Application Laid-Open No. 11-212338 discloses an image forming technique suitable for an image forming apparatus of an intermediate transfer method. In this image forming apparatus, four colors of yellow (Y), magenta (M), cyan (C) and black (K) are developed one by one on the photosensitive drum by a rotary developing device. , thereby form...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G03G15/00G03G21/00
Inventor 菊地和彦
Owner KK TOSHIBA
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