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Imaging device and transfer unit

An imaging device and transfer printing technology, applied in transportation and packaging, electrography, optics, etc., can solve problems such as the difficulty of dismantling the transfer printing unit, and achieve the effect of contact/separation movement, precision and high precision

Inactive Publication Date: 2007-01-31
SHARP KK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When the transfer member is connected to a power source that drives the belt, it becomes difficult to remove the transfer unit for repair or the like because the drive unit, power transmission unit, etc. are arranged at the end of the transfer member

Method used

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  • Imaging device and transfer unit
  • Imaging device and transfer unit
  • Imaging device and transfer unit

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0040] The present invention will be described in detail below with reference to the accompanying drawings showing one embodiment thereof.

[0041] figure 1 is a schematic diagram showing the structure of an image forming apparatus of the present invention. figure 1 The image forming device in is designed to form a multi-color image and a monochrome image on a sheet (recording paper) based on image data transmitted from the outside.

[0042] like figure 1 As shown, the image forming apparatus includes: a plurality of rotatable image carriers 1 constituted by photoconductor drums, the image carriers 1 are arranged separately from each other in the direction in which the sheet is conveyed, and are used to bear on the surface thereof. Electrostatic latent image; a developing unit 2, which is used to develop the electrostatic latent image carried on the image carrier 1; a sheet supply device 4, which is used to supply the sheet towards the image carrier 1 through the sheet conve...

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PUM

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Abstract

A transfer unit 5, which has transfer members 51a corresponding to a plurality of image carriers arranged in a sheet transporting direction, for transferring images carried on the image carriers, has rotary fulcrums 50 in the vicinity of an extension of the axis of a transfer member 51a on an upstream side end portion or on an downstream side end portion in the sheet transporting direction so as to be approximately parallel to the axis, and can be rotated on the rotary fulcrums 50 in directions of moving to and from the image carriers. With this image forming apparatus, it is possible to keep stable orientation of the transfer unit while the apparatus is in operation, thereby realizing stable contact / separation movement of the transfer unit.

Description

technical field [0001] The present invention relates to an image forming device capable of forming multicolor images, such as a copier, a facsimile machine or a printer, and a transfer unit capable of transferring multicolor images. Background technique [0002] The multi-color imaging device generally used to speed up image output in recent years is a tandem type, which is provided with four imaging areas, and the four imaging areas have four image carriers on which images corresponding to different colors are formed. (eg, C: cyan, M: magenta, Y: yellow, and K: black), the image carriers are arranged in parallel in the direction in which the sheet is conveyed. A multicolor image can be formed by passing a sheet only once through such a tandem multicolor image forming apparatus. [0003] The multicolor imaging device can form monochrome images and multicolor images, especially monochrome images using only black developer. In fact, for a multicolor imaging device capable of...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B65H29/00G03G15/00G03G15/16
CPCG03G2215/0119G03G15/167
Inventor 山内孝一平井政志岛津史生立木启史
Owner SHARP KK
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