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Toner cartridges with pressure equalization system

一种墨粉盒、墨粉的技术，应用在墨粉盒领域，能够解决不适当等问题

Active Publication Date: 2018-04-27
LEXMARK INT INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, faster processing speeds, larger toner loads, and separation of the toner cartridge and developing unit make these methods inappropriate

Method used

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  • Toner cartridges with pressure equalization system
  • Toner cartridges with pressure equalization system
  • Toner cartridges with pressure equalization system

Examples

Experimental program
Comparison scheme
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Embodiment Construction

[0035] It should be understood that the disclosure is not limited in its application to the details of construction and the arrangement of parts set forth in the following description or illustrated in the drawings. The disclosure is capable of other embodiments and of being practiced or carried out in various ways. Also, it is to be understood that the phraseology and terminology used herein are for the purpose of description and should not be regarded as limiting. The use of "including," "comprising," or "having" and variations thereof herein is intended to include the items listed thereafter and equivalents thereof as well as additional items. Unless otherwise limited, the terms "connected," "coupled," and "mounted," and variations thereof, are used broadly herein and include direct and indirect connections, couplings, and assemblies. Additionally, the terms "connected" and "coupled" and variations thereof are not limited to physical or mechanical connections or couplings....

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PUM

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Abstract

A toner cartridge with a pressure balancing system for balancing a pressure difference between a toner reservoir in the toner cartridge and a toner tank developing unit, the toner tank developing unit including an opening with a pipe The ducted shutter opens and closes an outlet on the housing of the toner cartridge, the outlet is combined with a passage, and the passage is in fluid communication with the ducted shutter and the toner reservoir, wherein When the toner cartridge is mated with the developing unit of the imaging device and the shutter is in the open position, the discharged toner leaves the cartridge through the outlet and enters the developing unit, while the air entrained in the developing unit enters the toner storage via the outlet, ducts and passages. regulator to balance the pressure between the toner cartridge and developing unit.

Description

technical field [0001] The present disclosure relates generally to toner cartridges used in electrophotographic imaging devices such as printers or multifunction devices with printing capabilities, and in particular to pressure equalization systems for toner cartridges. Background technique [0002] In toner cartridge design, it is now common practice to separate the longer life parts from the shorter life parts. This results in longer-life developing components such as the developer roller, toner refill roller, doctor blade (also referred to above as the developer unit), photoconductor drum, cleaning and charging roller, and waste bin) to become separate from the toner cartridge separate components. A supply of toner is provided in a reservoir in a separate toner cartridge cooperating with the developer unit, which is depleted relatively quickly compared to the previously described components. A toner cartridge has a reduced number of parts and is often referred to as a t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G03G9/08
CPCG03G15/0886
Inventor 詹姆斯·里查德·里姆豪斯加里·尼尔·哈克尼
Owner LEXMARK INT INC