Patent ID: 11902475
Assignee: CANON KABUSHIKI KAISHA
Field: Audio-visual technology (Electrical engineering)
Classification: CPC H | IPC H

Claim 22:
23. A diagnostic system comprising:
an image forming apparatus configured to form a diagnostic image on a sheet;
an image capturing apparatus configured to capture an image of the sheet on which the diagnostic image is formed and which has been discharged from the image forming apparatus, and outputs the captured image as a sheet image; and
a diagnostic apparatus configured to make a diagnosis for a component of the image forming apparatus based on a position of an image deficiency in the sheet image obtained by the image capturing apparatus, and outputs a diagnosis result for the component of the image forming apparatus,
wherein the diagnostic apparatus is further configured to:
obtain direction information pertaining to a direction in which the image forming apparatus forms the diagnostic image with respect to the sheet; and
make the diagnosis for the component of the image forming apparatus using the direction information and the position of the image deficiency in the sheet image.