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Image-forming device capable of positioning developing unit and developer cartridge precisely

A technology of developing unit and developer cartridge, which is applied in the direction of electric recording process applying charge pattern, equipment for applying electric recording process of charge pattern, electric recording technique, etc.

Active Publication Date: 2013-07-24
BROTHER KOGYO KK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0011] Similarly, if the developing unit is manufactured to be replaceable like the toner cartridge, the same question may arise regarding the replaceability or convenience of the developing unit

Method used

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  • Image-forming device capable of positioning developing unit and developer cartridge precisely
  • Image-forming device capable of positioning developing unit and developer cartridge precisely
  • Image-forming device capable of positioning developing unit and developer cartridge precisely

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0068] Such as figure 1 As shown, the laser printer 1 includes a main casing 2, and a feeding unit 4 and an image forming unit 5 arranged in the main casing 2, a discharge unit 6 formed on the main casing 2, and a The scanning unit 7.

[0069] A feeding unit 4 is installed in the main casing 2 for feeding paper. An image forming unit 5 is installed in the main casing 2 to form an image on paper supplied from the feeding unit 4 . A scanning unit 7 is arranged in the main casing 2 to scan image data on an original.

[0070] In the instructions that follow, figure 1 The left side in will be referred to as the "front side" of the laser printer 1 and the process cartridge 8 (described later) when the process cartridge 8 is mounted in the main casing 2, and figure 1 The right side in is referred to as "rear side". further, figure 1 The near side in will be referred to as "right", and figure 1 The far side in will be referred to as "left side". The right-to-left direction wil...

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PUM

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Abstract

An image-forming device includes a casing, a process unit, a first shutter, a toner cartridge, a second shutter, and a wall. The process unit is detachably mounted in the casing and formed with a first opening, the process unit having a developer roller carrying a toner. The first shutter opens and closes the first opening. The toner cartridge is detachably mounted in the casing, accommodates the toner, and is formed with a second opening, the second opening being in alignment with the first opening. The second shutter opens and closes the second opening. The wall is disposed between the developer unit and the toner cartridge and is formed with a third opening, the third opening being in alignment with the first opening and the second opening. By providing the wall, the process unit and toner cartridge can be detachably mounted in the casing, thereby avoiding a drop in precision for positioning the process unit and toner cartridge relative to the casing.

Description

[0001] This application is a divisional application of the following application: [0002] Filing date of original application: December 28, 2007 [0003] The application number of the original application: 200710307436.5 [0004] Title of invention of the original application: Image forming device capable of precise positioning of developing unit and developing cartridge [0005] Cross-references to related applications [0006] This application claims the priority of Japanese Patent Application No. 2006-356438 filed on December 28, 2006 and Japanese Patent Application No. 2006-356439 filed on December 28, 2006. The entire contents of these prior applications are incorporated herein by reference. technical field [0007] The present application relates to an image forming apparatus, such as a laser printer. Background technique [0008] Generally, laser printers and other electrophotographic image forming apparatuses include a developing roller for carrying toner, and a...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G03G15/08G03G21/18
CPCG03G2215/0692G03G2221/1815G03G2221/163G03G15/0886G03G21/1647G03G21/1676G03G2215/0819G03G2221/1654G03G15/0834G03G15/0875G03G15/0868
Inventor 佐藤正吾
Owner BROTHER KOGYO KK
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