| 摘要 |
A printing method which can complement an image defect caused by ejection failure and thus to obtain high definition image even when failure, such as faulty ejection or non-ejection failure, is caused in any of ejection mechanism as a plurality of printing elements of a printing head. The printing method includes step of detecting faulty nozzle of the printing head, step of performing printing excluding the faulty nozzle during primary scanning, step subsequently of providing a shift for the printing head in an auxiliary scanning direction at least a pitch between the nozzles, step of performing complemental printing with other normal nozzle for a printing region corresponding to the faulty nozzle which could not be printed in the printing step, and step of eliminating shift of the printing head in the auxiliary scanning direction.
|
