Systems and methods for implementing advanced toner dispensing and emptying of toner cartridge components in image forming devices
US-9217954-B2 · Dec 22, 2015 · US
Image forming apparatus with cartridge-replacement indicator
US8995850B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-8995850-B2 |
| Application number | US-201314026678-A |
| Country | US |
| Kind code | B2 |
| Filing date | Sep 13, 2013 |
| Priority date | Sep 13, 2012 |
| Publication date | Mar 31, 2015 |
| Grant date | Mar 31, 2015 |
How to read this patent
A practical reading order for non-experts. Skip the full description unless you need deep technical detail.
- Title
What the patent document calls the invention.
- Abstract
A short plain-language summary of the technical disclosure.
- Assignees and inventors
Who owns or filed the patent and who is credited as inventor.
- Key dates
Filing, priority, publication, and grant dates set the timeline.
- First independent claim
The legal scope of protection — read this for what is actually claimed.
- CPC / IPC classifications
Technology tags used to group this patent with similar filings.
- Citations and related patents
Prior art links and similar publications in this corpus.
Abstract
Official abstract text for this publication.
An image forming apparatus includes: a first cartridge configured to contain developer of a first color; a second cartridge configured to contain developer of a second color; a processor; and memory storing computer readable instructions that, when executed by the processor, causing the image forming apparatus to: indicate the necessity to replace the first cartridge by using at least information based on a first use amount and information based on a number of printed sheets; and indicate the necessity to replace the second cartridge by using at least information based on a second use amount without using the information based on the number of printed sheets.
First claim
Opening claim text (preview).
What is claimed is: 1. An image forming apparatus comprising: a first cartridge configured to contain developer of a first color; a second cartridge configured to contain developer of a second color; a processor; and memory storing computer readable instructions that, when executed by the processor, cause the image forming apparatus to indicate a necessity to replace the first cartridge and a necessity to replace the second cartridge, wherein the processor is configured to…
Assignees
Inventors
Classifications
- G03G15/556Primary
Physics · mapped topic
- G03G13/08Primary
Physics · mapped topic
Patent family
Related publications grouped by family.
External sources
Next steps
Free tools are coming soon. Tell us what you want to track and we'll notify you.
Frequently asked questions
Answers are generated from the same data shown on this page.
- What does patent US8995850B2 cover?
- An image forming apparatus includes: a first cartridge configured to contain developer of a first color; a second cartridge configured to contain developer of a second color; a processor; and memory storing computer readable instructions that, when executed by the processor, causing the image forming apparatus to: indicate the necessity to replace the first cartridge by using at least informati…
- Who is the assignee on this patent?
- Miyahara Kensuke, Hiro Ayumi, Brother Ind Ltd
- What technology area does this patent fall under?
- Primary CPC classification G03G15/556. Mapped technology areas include Physics.
- When was this patent published?
- Publication date Tue Mar 31 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).