Image forming apparatus with improved separability of transfer material
US7769310B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 31, 2007 |
| Grant date | Aug 3, 2010 |
| Priority date | — |
| Expiry date | Jan 31, 2027 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G2215/00599
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An image forming apparatus in which a visible image is transferred to a transfer material includes a pre-transfer exposing unit that makes only a portion of a latent image carrier that corresponds to a leading edge of the transfer material expose, and a transfer-bias applying unit that applies a bias for transferring the visible image. The transfer-bias applying unit starts applying the bias to the transfer material, at least step-by-step, when a predetermined time is passed from a point of time at which the leading edge of the transfer material comes into a contact with the latent image carrier by controlling the pre-transfer exposing unit and a bias applying timing of the transfer-bias applying unit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.