Patent ID: 11964495
Assignee: RICOH COMPANY, LTD.
Field: Textile and paper machines (Mechanical engineering)
Classification: CPC B  C | IPC B  C

Claim 13:
14. A printing method comprising
using a printer that comprises a discharging unit provided with three or more nozzle lines, which are arrangements, in a sub-scanning direction perpendicular to a main scanning direction, of a plurality of nozzle holes through which inks are discharged,
wherein the nozzle lines are staggered in the sub-scanning direction,
wherein the links comprise inks of an ink set which contains an ink including a cyan pigment, and ink including a magenta pigment, an ink including a yellow pigment, and an ink including a black pigment,
wherein a proportion of the cyan pigment is 0.70% by mass or greater but 1.40% by mass or less,
wherein a proportion of the magenta pigment and a proportion of the yellow pigment are both higher than the proportion of the cyan pigment, and
wherein the formulae (1) and (2) below are satisfied,

proportion of black pigment>proportion of yellow pigment>proportion of cyan pigment  formula (1),

proportion of magenta pigment>proportion of yellow pigment>proportion of cyan pigment  formula (2).