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Inventor: Umeda; Yasushi
Address: Tokyo, JP
No. of patents: 4
Patents:
| Patent Number |
Title Of Patent |
Date Issued |
| 5515503 |
Self-repair system for an image forming apparatus |
May 7, 1996 |
| The present invention makes it possible to effectively make self-repair of a fault by referencing repair analysis cases. The cases are hierarchically classified according to the fault symptom, the fault and the class, and a case suitable for a fault developed is selected to perform repai |
| 5317368 |
Image forming apparatus capable of making self-diagnosis |
May 31, 1994 |
| According to the present invention, a self-diagnosis system for an image forming apparatus can make accurate fault diagnosis and is made smaller in size and higher in speed. For that purpose, a fault temporarily developed by the image forming apparatus is limited to a single fault assump |
| 5239547 |
Self-diagnosis and self-repair system for image forming apparatus |
August 24, 1993 |
| The system of the present invention has a plurality of sensors 1a, 1b and 1c and a system control circuit which includes a case memory portion and a work script memory portion. In response to application of state data from the sensors 1a, 1b and 1c, the system converts the state data int |
| 5166934 |
Self-diagnois and repair system for image forming apparatus |
November 24, 1992 |
| A system according to the invention has a plurality of sensors, a system control circuit and a plurality of actuators. State data, supplied from the sensors, is compared with characteristic data in the system control circuit. From this comparison, it is judged whether a fault has occurre |
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