Image forming apparatus having reduced power consumption mode and control method therefor
US6895196B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 8, 2003 |
| Grant date | May 17, 2005 |
| Priority date | — |
| Expiry date | Nov 11, 2023 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G2215/00109
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
There is provided an image forming apparatus which is capable of responding to a status request with the minimum possible energy consumption even when the image forming apparatus is in a sleep state, to thereby achieve energy conservation. A main-chip microcomputer Q701 responds to an externally input status request when the image forming apparatus is in a normal standby mode, and enters an inoperative state where it does not respond to the externally input status request when the image forming apparatus is in a reduced power consumption mode. A 1-chip microcomputer Q702 responds to the externally input status request on behalf of the main-chip microcomputer Q701 when the image forming apparatus is in the reduced power consumption mode.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.