Consumable unit and image forming apparatus including memory storing consumable item information
US7970292B2 · kind B2 · utility
6Cited by
3References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 11, 2008 |
| Grant date | Jun 28, 2011 |
| Priority date | — |
| Expiry date | Jan 14, 2030 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G2215/0697
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A consumable unit and an image forming apparatus for controlling a consumable includes a first memory that stores consumable item information regarding the consumable and provides the consumable item information through password authentication, and a second memory that rewrites recycling prevention information, which indicates that recycling is impossible, a limited number of times. Therefore, if the consumable is replaced, it is possible to prevent the first memory and second memory from being recycled.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.