Electrophotographic apparatus
US4632537A · kind A · utility
12Cited by
9References
6Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 10, 1985 |
| Grant date | Dec 30, 1986 |
| Priority date | — |
| Expiry date | Apr 10, 2005 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G15/5041
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An electrophotographic apparatus is operable selectively in an image-forming mode and a checking mode. In the checking mode, a region of a photosensitive body or drum having a uniform surface potential is developed by a developing unit at a plurality of different developing bias voltages into toner amount detecting regions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.