Image forming apparatus with a toner density control device
US5124751A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | May 13, 1991 |
| Grant date | Jun 23, 1992 |
| Priority date | — |
| Expiry date | May 13, 2011 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G15/556
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An image forming apparatus using a dual component developer. The apparatus comprises a first detection device for detecting a toner density of the developer; a second detection device for detecting an amount of a used toner; a determination device for determining an amount of the toner to be supplied in accordance with the toner density detected by the first detection means; and a revision device for revising the amount of the toner to be supplied determined by the determination means in accordance with the amount of used toner detected by the second detection means.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.