Patent ID: 11945235
Assignee: CANON KABUSHIKI KAISHA
Field: Textile and paper machines (Mechanical engineering)
Classification: CPC B | IPC B

Claim 16:
17. A control method of a printing apparatus having a printhead including a plurality of nozzles configured to discharge ink to a print medium, the method comprising:
detecting a distance between the printhead and a platen by detecting a platen patch provided in the platen at a position facing the printhead;
acquiring information concerning a difference between a first distance between the platen and an upstream nozzle area on an upstream side of the printhead in a conveyance direction of the print medium and a second distance between the platen and a downstream nozzle area on a downstream side of the printhead in the conveyance direction; and
controlling the printing apparatus so as to perform a predetermined operation based on a detection result of the detecting and the information acquired in the acquiring.