Patent ID: 11886140
Assignee: CANON KABUSHIKI KAISHA
Field: Optics (Instruments)
Classification: CPC G | IPC G

Claim 10:
11. An image forming apparatus that forms an image on a sheet, comprising:
an acquisition unit configured to acquire maintenance information about maintenance work performed on the image forming apparatus;
a memory configured to store error information about an error that has occurred in the image forming apparatus, and the maintenance information acquired by the acquisition unit; and
a controller configured to:
determine, from a plurality of pieces of error information stored in the memory, based on the maintenance information, first error information about an error that has occurred during the maintenance work;
determine an error part of the image forming apparatus based on second error information obtained by excluding the first error information from the plurality of pieces of error information stored in the memory; and
output a result of the determination of the error part.