Image forming apparatus capable of accurate troubleshooting
US4952975A · kind A · utility
5Cited by
9References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 22, 1989 |
| Grant date | Aug 28, 1990 |
| Priority date | — |
| Expiry date | Jun 22, 2009 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G15/55
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An image forming apparatus according to the present invention comprises an image forming part for forming images on recording papers, a trouble detection part for detecting troubles in image forming operation and stopping operation of the image forming part in response to trouble detection output, a counter part for counting the number of times of trouble occurrence in response to detection output from the trouble detection part, a mode setting part for allowing operation of the trouble detection part and inhibiting that of the counter part when the specific mode is set.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.