Patent ID: 7426352

Claim:
An image formation apparatus for forming images based on input image data, comprising: an automatic adjustment portion adapted to perform automatic adjustment of said image formation apparatus for each of a plurality of adjustment items; a job queuing portion adapted to queue image formation jobs; a counting portion adapted to count the number of image formations executed after a last automatic adjustment for each of said plurality of adjustment items; a determining portion adapted to determine, for each of said plurality of adjustment items, whether or not the number of image formations at which said automatic adjustment is to be performed by said automatic adjustment portion will be reached during execution of a next image formation job queued by said job queuing portion, based on the number of image formations counted by said counting portion, a number of image formations to be executed by said next image formation job queued by said job queuing portion and each of a plurality of thresholds set for each of said plurality of adjustment items; and a control portion adapted to control said automatic adjustment portion to perform the automatic adjustment based on the result of the determination by said determining portion, wherein in the event that said determining portion determines that there is at least one of said plurality of adjustment items for which said automatic adjustment is to be performed by said automatic adjustment portion during execution of said next image formation job queued by said job queuing portion, said control portion controls said automatic adjustment portion to perform the automatic adjustment before starting execution of said next image formation job queued by said job queuing portion even though the number of image formations counted by said counting portion has not reached the number at which said automatic adjustment is to be performed by said automatic adjustment portion.