Image forming apparatus having toner replenishing device interchangeable with a developing unit
US4937627A · kind A · utility
6Cited by
7References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 12, 1989 |
| Grant date | Jun 26, 1990 |
| Priority date | — |
| Expiry date | Jan 12, 2009 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S222/01
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An image forming apparatus provided with a toner replenishing device attachable to a position of any one of a plurality of developing units. The toner replenishing device replenishes toner to another developing unit through the space of a developing unit to which the toner replenishing device is interchangeably attached.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.