Patent ID: 11863716
Assignee: TOSHIBA TEC KABUSHIKI KAISHA
Field: Audio-visual technology (Electrical engineering)
Classification: CPC H  G | IPC G  H

Claim 12:
13. An image forming apparatus comprising:
a printer configured to print an image having diagnostic information on a sheet of paper, the image having diagnostic information comprising:
a plurality of bands, each of the bands corresponding to a different color,
a plurality of ruled lines, and, an anchor positioned between one of the bands and a plurality of the ruled lines, the anchor being a solid black square;
a first reader configured to read a first image of the sheet of paper;
a second reader configured to read a second image of the sheet of paper; and
a processor configured to:
determine whether a first abnormality is present in the first image,
determine a first location of the first abnormality on the sheet of paper when the first abnormality is present in the first image,
determine whether a second abnormality is present in the second image,
determine a second location of the second abnormality on the sheet of paper when the second abnormality is present in the second image,
determine a diagnosis result of a defect based on at least one of the first location or the second location,
cause a display to display the diagnosis result, and
cause the display to display, as the diagnosis result, a solution for the defect;

wherein at least one of the first abnormality or the second abnormality is based on at least one of:

at least one of the bands,
at least one of the ruled lines, or, the anchor.