Method and apparatus for indicating time for exchanging toner recovery container of electrographic apparatus
US5805953A · kind A · utility
4Cited by
3References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 7, 1996 |
| Grant date | Sep 8, 1998 |
| Priority date | — |
| Expiry date | Nov 7, 2016 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G21/12
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
In order to provide an indication when it is necessary to exchange toner recovery container, an electrophotographic apparatus monitors the accumulated driving time of a toner supply drive unit, and a massage indicating "exchange the toner recovery container" is displayed at the time when a toner supply switch is operated under state in which the accumulated driving time exceeds a preset value.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.