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Image forming apparatus

A technology of equipment and images, applied in the direction of equipment of electric recording process applying charge pattern, electric recording process applying charge pattern, electric recording technique, etc.

Active Publication Date: 2019-10-11
BROTHER KOGYO KK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This pressing force of the pressing member may have a deviation depending on the deviation of the pressing member

Method used

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Examples

Experimental program
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Embodiment Construction

[0031] In the following, reference will be made to Figure 1 to Figure 7 An image forming apparatus 100 according to one embodiment of the present disclosure is described.

[0032]

[0033] figure 1 is a schematic diagram of the image forming apparatus 100 . figure 2 is a diagram showing electrical connections between components in the image forming apparatus 100 .

[0034] The image forming apparatus 100 is an electrophotographic type printer. For example, the image forming apparatus 100 may be a laser printer or an LED printer. as in figure 1 As shown in , an image forming apparatus 100 includes a main body casing 101 as an example of a casing, a main body plate 3 , a drum cartridge 1 and a plurality of toner cartridges 2 .

[0035] The main body case 101 houses therein the main body plate 3 , the drum cartridge 1 and the plurality of toner cartridges 2 . In a state where the plurality of toner cartridges 2 are attached to the drum cartridge 1 , the plurality of ton...

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PUM

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Abstract

An image forming apparatus includes: a casing; a toner cartridge; a drum cartridge; a main electrode; a first reading portion; and a controller. The toner cartridge is attachable to the drum cartridgeand includes: a developing roller; and a developing electrode electrically connected to the developing roller. The drum cartridge is attachable to the casing and includes: a photosensitive drum; a pressing member; and a drum memory. The pressing member presses the toner cartridge toward the photosensitive drum so that an outer circumferential surface of the developing roller contacts an outer circumferential surface of the photosensitive drum. The drum memory stores a pressing force value indicating a pressing force to be applied by the pressing member. The controller is configured to perform: reading, through the first reading portion, the pressing force value from the drum memory; and applying a voltage to the main electrode based on the pressing force value.

Description

technical field [0001] The present disclosure relates to an image forming apparatus. Background technique [0002] Electrophotographic type image forming apparatuses such as laser printers and LED printers are well known in the art. In such an image forming apparatus, a process cartridge in which a toner cartridge is attached to a drum cartridge is attached to a main body of the image forming apparatus. An image forming apparatus of this type is disclosed, for example, in Japanese Patent Application Laid-Open No. Hei 10-039723. [0003] Japanese Patent Application Laid-Open No. Hei 10-039723 describes an image forming apparatus including a toner cartridge and a drum cartridge that can be separated from each other. With this image forming apparatus, toner cartridges and drum cartridges are manufactured separately, and then shipped from the factory. Therefore, the toner cartridge and the drum cartridge may have deviations in their characteristics, and as a result, it may be...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G03G15/06G03G15/08
CPCG03G15/065G03G15/0806G03G15/0863G03G21/1867G03G15/0813G03G21/1889G03G21/1878G03G21/1875G03G2221/1823G03G2221/1869G03G21/1825G03G2221/1684G03G2215/0673
Inventor 佐野利幸板桥奈绪
Owner BROTHER KOGYO KK