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Paper transport path of image forming apparatus

一种纸页输送、输送路径的技术，应用在成像设备领域，能够解决偏移、记录纸输送控制困难、记录纸间隔距离小等问题

Inactive Publication Date: 2008-08-20
SHARP KK
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] For this reason, in the case where the separation distance between the recording papers is set smaller to increase the print processing speed as disclosed in JP 2005-247267A, when the subsequent recording paper is picked up by the preceding recording paper, The distance between the recording papers will be smaller, and there will be a large deviation in the timing when the subsequent recording papers reach the registration rollers, making it difficult to control the conveyance of the recording papers through the registration rollers

Method used

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  • Paper transport path of image forming apparatus
  • Paper transport path of image forming apparatus
  • Paper transport path of image forming apparatus

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Embodiment Construction

[0049] Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

[0050] FIG. 1 is a sectional view showing one embodiment of an image forming apparatus according to the present invention. The image forming apparatus 100 obtains image data read from an original or obtains image data received from the outside, and forms a monochrome image indicated by the image data on recording paper, and its structure can be roughly divided into an original conveying section (ADF ) 101, an image reading section 102, a printing section 103, a recording paper conveying section 104, and a paper feeding section 105.

[0051] In the document setting tray 11 where at least one document is set in the document conveying section 101, the document is picked up and conveyed one by one from the document setting tray 11, and the document is guided and passed through the image reader. The document reading window 102a of the taking part 102 ...

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Abstract

A transport path switching unit is provided between transport rollers and pre-registration rollers, and control is performed to switch between a main transport path and an extended transport path of the transport path switching unit such that either the main transport path or the extended transport path is interposed as the part of the paper transport path between the transport rollers and the pre-registration rollers to vary a total length of the paper transport path.

Description

[0001] This application claims priority from Patent Application No. 2007-033847 filed in Japan on February 14, 2007, the entire contents of which are hereby incorporated by reference. technical field [0002] The present invention relates to image forming apparatuses such as copiers, printers, and facsimiles, and in particular, to sheet conveyance paths of image forming apparatuses in which recording paper is paused by registration rollers and then conveyed to a print processing section. Background technique [0003] As for this type of image forming apparatus, in recent years, development has been made toward an apparatus having an increased print processing speed, for example, an apparatus that performs print processing at a speed of 100 sheets / minute or higher has been developed . In this regard, as the speed of printing processing such as this increases, the load imposed on the sheet conveying mechanism becomes much larger. [0004] For example, when performing print pr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G03G15/00B65H5/00B65H29/60
CPCB65H2301/3331B65H2511/11B65H5/36B65H2511/514B65H29/60B65H2701/1313B65H2513/50B65H9/006B65H2404/6111B65H2220/09B65H2220/02B65H2220/11B65H2220/01
Inventor 藤田正彦谷口匡木村正治深田泰章浅川昌也高井康博桂典史大石真嗣
Owner SHARP KK
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