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

Claim 10:
11. A control method for an image forming apparatus, with the image forming apparatus including an image forming unit that forms an image on a sheet based on an image forming condition, a reading conveyance path in which a sheet having a test image formed by the image forming unit is conveyed from the image forming unit, and a reader that reads the test image on the sheet conveyed in the reading path, the control method comprising:
generating 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; and
in a duplex printing job in which the image forming unit forms images on both surfaces of a sheet, not forming an image on a partial area, 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.