Image forming apparatus
US5053814A · kind A · utility
151Cited by
10References
27Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 23, 1987 |
| Grant date | Oct 1, 1991 |
| Priority date | — |
| Expiry date | Dec 23, 2007 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G15/6502
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
An image forming apparatus includes various image forming units and a detachable paper cassette with data on its outer surface as to thickness, talc content, quality and the type of copy paper; the image forming units being controlled in accordance with the data when the cassette is changed. The apparatus also includes a device for marking a mark corresponding to the number of sheets of the copy paper used so as to detect the number of sheets remaining in the cassette.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.