Patent ID: 11868071
Assignee: CANON KABUSHIKI KAISHA
Field: Optics (Instruments)
Classification: CPC G | IPC G

Claim 0:
1. An image forming apparatus, comprising:
an image forming unit configured to form an image on a sheet based on an image forming condition;
a reading conveying path in which a sheet having a test image formed by the image forming unit is conveyed from the image forming unit;
a reader configured to read the test image on the sheet conveyed in the reading conveying path; and
a controller configured to:
generate the image forming condition for adjusting a density of an image to be formed by the image forming unit, based on a reading result of the test image by the reader,

wherein, in a duplex printing job in which the image forming unit forms images on both surfaces of a sheet, no image is formed on a partial area on the sheet, with the partial area being an area which is a back side of a test image area on which the test image is to be formed.