Patent ID: 11904604
Assignee: RICOH COMPANY, LTD.
Field: Textile and paper machines (Mechanical engineering)
Classification: CPC B  G | IPC B  G

Claim 4:
5. A liquid discharge method for a liquid discharge apparatus that includes a head having a plurality of nozzle rows in each of which a plurality of nozzles for discharging liquid are arranged in a predetermined direction to form an image on a recording medium, the liquid discharge method comprising:
detecting landing positions of the liquid discharged from the plurality of nozzle rows on the recording medium, wherein the plurality of nozzle rows comprises three or more nozzle rows configured to discharge colored ink liquid;
correcting the landing positions of the liquid based on a result of the detecting; and
storing data related to a relation among the landing positions of the liquid discharged from the plurality of nozzle rows in a memory,
wherein the detecting includes detecting landing positions of the liquid discharged from one representative nozzle row among the plurality of nozzle rows, and
wherein the correcting includes correcting landing positions of the liquid discharged from all of the plurality of nozzle rows based on a result of the detecting of the landing positions of the liquid discharged from the one representative nozzle row and the data related to the relation among the landing positions stored in the memory.