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Printing/copying method and equipment

An equipment and transfer technology, applied in the field of printing, copying methods and equipment, can solve the problems of paper waste, ink cannot be removed, large energy and resources, etc.

Inactive Publication Date: 2013-05-08
吴涛
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] The existing laser printing or copying technology uses the principle of electrostatic imaging to heat and melt the black or color toner and press it directly into the paper fiber to form text or images, but because this method is to directly heat and press the toner into the paper fiber In this process, the ink that seeps into the paper fibers cannot be removed, and each paper can only be printed or copied once on the front and back sides at most, and cannot be used any longer, resulting in a lot of waste of paper
Even if it is sent to the factory to make recycled paper, it can only be made into recycled paper 5-7 times, because each recycling will shorten the fiber of the paper. At the same time, this process consumes a lot of energy and resources, and it is easy to cause environmental pollution. Pollution

Method used

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  • Printing/copying method and equipment
  • Printing/copying method and equipment
  • Printing/copying method and equipment

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0048] In Embodiment 1 of the present invention, the printing and copying methods include:

[0049] Step 1: Using a laser to draw an electrostatic image in the form of a charge pattern;

[0050] Step 2: Attract the colorless toner and the colored toner to the position of the electrostatic image through the electrostatic action of the charge, and then transfer the colorless toner and the colored toner to paper, and the resulting The colored toner covers the side of the colorless toner away from the paper, and the colorless toner is in the fiber of the paper, and the colored toner floats on the surface of the paper.

[0051] The first step is exposure, which is used to release the charge from some points of the photosensitive drum through the laser emitter (based on the printed or copied image, text, etc., the electrostatic image corresponding to the image and text is drawn through the charge).

[0052] The second step is to add the use of colorless toner on the basis of the exis...

Embodiment 2

[0056] Embodiment 2 is a description of the first implementation method of step 2 in Embodiment 1. The colored toner and the colorless toner are sequentially attracted to the position of the electrostatic image, and the non-colored toner The colored toner completely covers the colored toner, and then the colorless toner and the colored toner are simultaneously transferred on the paper; after the transfer, it further includes fixing and rolling, so that the The colorless toner is pressed into the fibers of the paper while keeping the colored toner floating on top of the paper.

[0057] combine figure 2 , image 3 , Figure 4 , Figure 5 , in Embodiment 2, the printing and copying methods include:

[0058] exposure. When the machine starts to work, the photosensitive drum 3 is charged with electric charges. When the photosensitive drum rotates, the laser emitter 1 transmits the laser signal to the reflective mirror 2, and the reflective mirror 2 reflects the laser signal t...

Embodiment 3

[0063] Embodiment 3 is a description of the second implementation method of step 2 in Embodiment 1. First, the colorless toner is attracted to the position of the electrostatic image, and the colorless toner is transferred on paper, and after this transfer is fixed and calendered so that said colorless toner is pressed into the fibers of the paper;

[0064] The colored toner is then attracted to the location of the electrostatic image, and the colored toner is transferred onto the paper on which the clear toner has been printed, and after this transfer, fixing and Rolling keeps the colored toner floating on the surface of the paper.

[0065] combine Figure 5 , Image 6 (in the second embodiment Figure 5 The step of scraping off the ink marks in the embodiment three), in the embodiment three, the method of printing and duplicating includes:

[0066] In area A, when the machine starts to work, the photosensitive drum 3 is charged and charged, and when the photosensitive dr...

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PUM

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Abstract

The invention relates to the printing technical field, in particular to a printing / copying method and equipment, wherein the printing / copying method comprises the following steps of: step 1, drawing an electrostatic image in the form of a charge pattern by using laser; and step 2, attracting colorless powdered ink and colored powdered ink to the position of the electrostatic image under the electrostatic action of charges, respectively; and then transferring the colorless powdered ink and the colored powdered ink on paper, wherein the colored powdered ink covers one side of the colorless powdered ink far away from paper, the colorless powdered ink is located in the fibers of the paper, and the colored powdered ink floats on the surface layer of the paper. The printing / copying method and equipment provided by the invention are capable of clearing away character or image ink marks caused by printing or copying on the paper surface so that the paper can be used for repeated printing or copying of new characters or images.

Description

technical field [0001] The invention relates to the technical field of printing, in particular to a printing and copying method and equipment. Background technique [0002] The imaging principles of existing color and black and white laser printers and copiers are the same, both adopt the principle of electrostatic imaging, and have the following four steps: [0003] 1) Exposure. When the machine starts to work, the photosensitive drum is charged with electric charge. When the photosensitive drum rotates, the laser emitter will emit a laser beam through the surface of the photosensitive drum to release the charge at some points. In this way, the laser draws an electrostatic image of the letters and images to be printed in the form of a pattern of charges. [0004] 2) Development (development). The process of development is to make the electrostatic image on the photosensitive drum be stained with toner to obtain visible image points. [0005] 3) Transfer printing. The d...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G03G15/16G03G15/08G03G15/00
Inventor 吴涛
Owner 吴涛
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