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Image forming apparatus

A technology of an image and developing device, which is applied in the direction of electric recording process applying charge pattern, equipment and apparatus of electric recording process applying charge pattern, etc., can solve the problems of insufficient sheet peeling performance and image noise, etc.

Active Publication Date: 2015-07-01
KK TOSHIBA +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] However, the release performance of the sheet is not sufficient, and image noise may occur due to poor transfer

Method used

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  • Image forming apparatus
  • Image forming apparatus

Examples

Experimental program
Comparison scheme
Effect test

no. 1 approach

[0016] figure 1 It is a configuration diagram of an image forming apparatus according to an embodiment. exist figure 1 Here, the image forming apparatus 10 is, for example, an MFP (Multi-Function Peripherals, multi-function printer), a printer, a copier, etc., which are multifunctional machines. In the following description, an MFP is used as an example for description. An automatic document feeder (ADF) 11 , a translucent document placement table 12 , and an operation panel 13 are included on the upper portion of the image forming apparatus (MFP) 10 . In addition, a plurality of supply devices 14 are provided on the lower portion of the MFP 10 , and trays 15 for loading sheets are provided on the side of the MFP 10 .

[0017] In addition, the MFP 10 includes a scanner unit 20 and a printer unit 30 below the ADF 12 . The scanner unit 20 reads an image of a document. The printer unit 30 processes image data read by the scanner unit 20 and print data input from a PC (Person...

no. 2 approach

[0042] In the first embodiment, the peeling plate 50 is described as an example in which the power feeding plate 51 is covered with resin, but the peeling plate 50 can be made of stainless steel. In this case, the power feeding plate 51 is unnecessary, and the stainless steel peeling plate 50 is directly connected to the DC power supply 47 to impart peeling charges.

[0043] According to the embodiments described above, it is possible to prevent a sheet adhering to the photosensitive drum from being jammed, and to prevent transfer failure and the like. Therefore, a higher quality image can be formed.

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PUM

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Abstract

In accordance with one embodiment, an image forming apparatus comprises a photoconductive drum on which an electrostatic latent image is formed, a developing device configured to supply developing agent to the photoconductive drum, a transfer device configured to transfer the toner image formed on the photoconductive drum by the developing device to an image receiving medium, a rotatable loop-shaped transfer belt configured to convey the image receiving medium through a space between the transfer device and the photoconductive drum, and a peeling plate configured to be arranged on a conveyance path of the transfer belt and be applied with preset peeling electric charge to separate and discharge the image receiving medium from the photoconductive drum and the transfer belt after the transfer processing.

Description

technical field [0001] Embodiments of the present invention relate to an image forming apparatus such as an electrophotographic copier. After a toner image on a photosensitive drum is transferred to a recording medium (sheet) by a transfer device, since the recording medium to which the toner image is attached is conveyed to the fixing device, so it is easy to peel off the transferred sheet from the photosensitive drum. Background technique [0002] Conventionally, in an image forming apparatus, after the surface of a photosensitive drum (image carrier) is uniformly charged by a charger, the surface of the photosensitive drum is exposed to form an electrostatic latent image, and the latent image is developed by a developing device to form a toner image. . The toner image formed on the surface of the photosensitive drum is transferred onto a sheet (recording medium) by the transfer device, the sheet with the transferred toner image is separated from the photosensitive drum a...

Claims

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Application Information

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IPC IPC(8): G03G15/00
CPCG03G15/165G03G2215/1623G03G15/6532G03G15/657
Inventor 畠山 悟史
Owner KK TOSHIBA