The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 11, 1992
Filed:
Mar. 06, 1990
Yoshitaka Honda, Nara, JP;
Yukio Nakai, Nara, JP;
Sharp Kabushiki Kaisha, Osaka, JP;
Abstract
A system includes an image forming apparatus or copier, and a central controller for remotely determining a cause of malfunction of the copier. The copier includes a control unit including a self-diagnostic portion; a selection portion for setting the control unit to a self-diagnosis mode; and a communication device for, when the self-diagnosis mode is set, connecting the control unit with a communication line. The self-diagnostic portion includes a receiving section for receiving diagnostic information through the communication device; a diagnostic section for executing self-diagnosis against the copier, on the basis of the received diagnostic information; and a transmitting section for transmitting the results of the self-diagnosis through the communication device.