Image forming apparatus
US4477178A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Dec 4, 1979 |
| Grant date | Oct 16, 1984 |
| Priority date | — |
| Expiry date | Dec 4, 1999 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65H2408/111
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
An image forming apparatus includes a process input device for setting various data for image formation, process unit for making images on a recording medium repeatedly in accordance with the data set by the input device, detection devices for detecting a trouble of the process unit, a control unit for selectively controlling the detecting operations of the detection devices, and circuitry for preventing the image forming operation in response to the detection of a trouble by the detection devices. In the apparatus, diagnosis is executed for objects to which it is necessary and the image forming process is controlled by the outcome of the diagnosis.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.