Image forming apparatus and control method therefor
US7495683B2 · kind B2 · utility
2Cited by
2References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 11, 2006 |
| Grant date | Feb 24, 2009 |
| Priority date | — |
| Expiry date | Nov 6, 2026 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G2215/0158
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An image forming apparatus which is capable of forming an excellent image while suppressing reduction in productivity to a minimum even when an abnormality occurs in detection of an HP mark on an intermediate transfer member. When there occurs abnormality in detection of any of HP marks, an alternate signal is generated in place of a signal associated with a mark the detection of which is determined to be abnormal, and image formation is carried out with reference to the time of normal HP mark detection and the alternate signal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.