Image forming apparatus including control device for controlling a pre-transfer charger
US5761569A · kind A · utility
0Cited by
4References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 10, 1997 |
| Grant date | Jun 2, 1998 |
| Priority date | — |
| Expiry date | Mar 10, 2017 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G2215/1609
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An image forming apparatus transfers a toner image formed on a photoconductive member onto transfer paper by passing the photoconductive member consecutively beside a main charger, exposure unit, developer unit, pre-transfer charger, transfer charger, and charge remover. During image formation under conditions with temperature or humidity lower than a predetermined level, the pre-transfer charger is deactivated.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.