Transfer device cleaning sequence for an image
US5822648A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Jun 14, 1996 |
| Grant date | Oct 13, 1998 |
| Priority date | — |
| Expiry date | Jun 14, 2016 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G2215/1661
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
After the jam is cleared or after instruction of the start of printing, in order to remove the residual toner on an endless transfer belt or a secondary transfer roller, the endless transfer belt rotates in a state that the cleaner is contacted with the endless transfer belt and the secondary transfer roller is retracted from the endless transfer belt without applying the voltage by the voltage application means, and after one or more rotations of the endless transfer belt, the endless transfer belt continues to rotate in a state that the cleaner and the secondary transfer roller are contacted with the endless transfer belt with applying the voltage by the voltage application means.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.