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Paper processor and image forming device

A paper processing device and paper processing technology, which can be used in printing devices, thin material processing, stack receiving devices, etc., and can solve problems such as paper jams.

Inactive Publication Date: 2003-09-03
CANON KK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For this reason, if the full load detection light shield is not retreated from the paper conveying path leading to the intermediate stacking part, the full load detection light shield is pushed up by the paper when the paper is discharged, and the pushed up full load detection light shield touches the intermediate stacking part and Unable to rotate, paper jam occurs

Method used

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  • Paper processor and image forming device
  • Paper processor and image forming device
  • Paper processor and image forming device

Examples

Experimental program
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Effect test

Embodiment Construction

[0027] Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the drawings. The dimensions, materials, shapes, and relative arrangements of components described in the following embodiments should be appropriately changed in accordance with the configuration of the device to which the present invention is applied and various conditions, and in particular, unless otherwise specified, do not mean The scope of the present invention is limited only to them.

[0028] (first embodiment)

[0029] 1 is a schematic cross-sectional view showing the overall configuration of a laser printer as an example of an image forming apparatus having a sheet processing apparatus according to a first embodiment of the present invention. in addition, Figure 17 It is an overall perspective view of a laser printer as an example of an image forming apparatus having a paper sheet processing apparatus of the present invention.

[0030] (Overall Config...

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PUM

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Abstract

A sheet treating apparatus including the first intermediate stacking portion for hitting an edge of a sheet in a transport direction against a wall to align the sheet, a pair of delivery rollers for delivering the sheet from the first intermediate stacking portion, the second intermediate stacking portion for carrying-in and supporting the sheet downstream of the pair of delivery rollers in the transport direction and aligning edges of the sheet in a cross direction perpendicular to the transport direction, a sheet stacking portion located below the second intermediate stacking portion in the gravitational direction, and a full load detecting unit for detecting full load of sheets on the sheet stacking portion, in which the full load detecting unit contacts an upper surface of sheets on the sheet stacking portion with a full load detecting flag, which has a pivotal fulcrum in a higher position than that of the pair of delivery rollers to detect a height of the upper surface, and does not perform full load detection of sheets during a sheet treatment in the intermediate stacking portion.

Description

technical field [0001] The present invention provides a paper processing device for processing paper (sheet) and an image forming apparatus provided with the paper processing device. In particular, it relates to a sheet processing device capable of performing full load detection at low cost by effectively using a full load detection device realized by a flag when processing sheets, and an image forming apparatus having the same. Background technique [0002] In conventional image forming apparatuses such as copiers, printers, and facsimile machines, there is such a paper processing apparatus that reduces the trouble of aligning and stapling paper sheets such as copy paper after image formation, for example, by The paper with the image formed on it is sequentially taken into the device, and the paper is aligned and stapled. [0003] Here, such processing is a device that can handle various modes, including a mode of simply discharging and stacking paper sheets to a paper sta...

Claims

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Application Information

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IPC IPC(8): B42C1/12B65H43/06
CPCB65H2511/152B65H43/06B65H2301/422615B65H31/3018B65H2405/332B65H2553/612B42C1/12B65H2511/15B65H2553/61B65H2220/01G03G15/00
Inventor 关山淳一早川保芳桑田隆矶边健一郎深津正义阿多弘伸
Owner CANON KK
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