Recording media positioning device and image forming device

A technology for recording media and positioning devices, which is applied in the direction of electrography, electrical recording technology using charge patterns, and equipment for electric recording technology using charge patterns, which can solve problems such as image quality deviation and uneven fixing, and achieve reduction Abrasion, avoiding the effect of image anomalies

Active Publication Date: 2011-10-26
RICOH KK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

If fixing is performed in this state, uneven fixing will occur due to the worn parts 111 and 112, resulting in deviations in image quality.

Method used

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  • Recording media positioning device and image forming device
  • Recording media positioning device and image forming device
  • Recording media positioning device and image forming device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0043] Examples of the best mode of implementation of the present invention will be described below with reference to the drawings.

[0044] Hereinafter, first, embodiments of the image forming apparatus of the present invention will be described with reference to the drawings.

[0045] figure 1 It is a schematic view of the structure of the image forming apparatus 1000 according to this embodiment. This image forming apparatus 1000 is a four-color full-color image forming apparatus in which four image forming units 1a, 1b, 1c, 1d are arranged along the moving direction of the transfer belt.

[0046] The image forming unit 1a is composed of a photosensitive drum 2a as an image carrier, a drum charger 3a, an exposure device 4a, a developing device 5a, a transfer device 6a, and a cleaning device 7a. The configuration of the image forming units 1b to 1d is the same as that of 1a. The image forming units 1a to 1d are used to form images of different colors, for example, 1a is ...

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PUM

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Abstract

The invention relates to a recording media positioning device and an image forming device with the recording media positioning device. The purpose is to reduce the wear loss of a fusing unit caused by the recording media edge and avoid the occurrence of image abnormality in the wear loss part of the fusing unit. The image forming device is specifically as follows: a paper detection device 17 detects the position of paper 8 which is sent to a fusing part 110, the paper 8 is moved to a reference position 24 through a moving unit 40 according to the position of the paper, wherein a pair of driving positioning rollers 16 of the moving unit 40 slightly move the reference position 24 by a certain extent after conveying a certain pages of the paper. The reference position 24 is moved according to a plurality of different moving modes.

Description

technical field [0001] The present invention relates to a recording medium positioning device and an image forming device, in particular to a recording medium positioning device which can be used to prevent poor fixing caused by damage to the fixing device caused by the edge of the recording medium and shorten the life of the fixing device, and to an image having the recording medium fixing device forming device. Background technique [0002] In recent years, multi-color image forming devices such as full-color printers and spot-color printers have been adopted in devices such as copiers, printers, facsimile machines, and plotters. The above-mentioned color printers usually adopt line printing, that is, photosensitive drums are arranged along the moving direction of the intermediate transfer belt formed by the endless belt, and toners of different colors are adsorbed on the electrostatic latent images formed on each photosensitive drum, so that A toner image is formed, and ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G03G15/20G03G15/01
Inventor 内田武志土屋清美
Owner RICOH KK
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